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Gloria Mari Beffa (UW-Madison)25/08/2025, 09:00OTHER
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Marcelo Gameiro Munhoz (Universidade de Sao Paulo (USP) (BR))25/08/2025, 09:10
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Markus Zerlauth (CERN)25/08/2025, 09:30
- The present LHC operation of Run 3, both for protons/ions and special
physics runs - Remaining LHC program in Run 3, until the start of long shutdown 3 in
June 2026 - Timeline of HL-LHC installation and re-start of operation
- Readiness of key components for installation during LS3 (magnets, sc
links, crab-cavities, …) - Progress of installation of technical...
- The present LHC operation of Run 3, both for protons/ions and special
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Jeffrey Berryhill (Fermi National Accelerator Lab. (US))25/08/2025, 10:00
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Sergo Jindariani (Fermilab and UW-Madison)25/08/2025, 11:00Accelerator Technology
Muons are elementary particles and all their energy is available in a collision, with far cleaner events relative to those produced by the smash of a composite particle like the proton. Muons are also heavy, meaning that they are less prone to synchrotron radiation that effectively limits the energies of circular electron-positron colliders. This raises the prospect that a Muon Collider could...
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Katharina Voss (Universitaet Siegen (DE))25/08/2025, 11:00Top Physics
The exceptionally large dataset collected by the ATLAS detector at the highest proton-proton collision energies provided by the LHC enables precision testing of theoretical predictions using an extensive sample of top quark events. New results on top-quark properties are shown. This includes the first observation of quantum entanglement in top-quark pair events and tests of lepton-flavour universality.
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Dr ADAM LISTER25/08/2025, 11:00Neutrino Sector
NOvA is long-baseline neutrino oscillation experiment with functionally identical liquid scintillator detectors separated by a long-baseline, in the NuMI neutrino beam at Fermilab. NOvA probes not only the standard three flavor scenario, but also exotic oscillations scenarios including sterile neutrinos and non-standard interactions. The 3+1 sterile oscillation model is an extension of the...
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Heng Lin (Johns Hopkins University)25/08/2025, 11:00Dark Sector Physics (direct/indirect/axion)
The DAMIC-M (DArk Matter In CCDs at Modane) experiment searches for sub-GeV dark matter particles using electron-counting ''skipper'' charge-coupled devices (CCDs). Recent results from two prototype detector modules deployed in a test stand at the Modane Underground Laboratory (LSM) in France already demonstrate world-leading sensitivity, probing benchmark models of hidden-sector dark matter...
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Anagha Aravind (University of Wisconsin Madison (US))25/08/2025, 11:00Heavy BSM Searches at Colliders
An overview of selected searches where the SM Higgs boson decays to a pair of light scalars performed with p-p collisions data recorded during Run 2 by the CMS detector at √s = 13 TeV. Analyses with b quarks and/or leptons in the final state are highlighted.
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Gonzalo Diaz (Fermi National Accelerator Laboratory)25/08/2025, 11:00Charged Lepton Flavor Violation
The Mu2e experiment is a charged lepton flavor violation experiment located at Fermilab, and will search for neutrinoless muon-to-electron conversion in the presence of an aluminum nuclear field. If found, muon-to-electron conversion would unequivocally become evidence of new physics beyond the Standard Model. Mu2e aims to constrain the current signal experimental limits by four orders of...
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D Indumathi (The Institute of Mathematical Sciences, Chennai)25/08/2025, 11:00BSM Theory Developments
Infra-red corrections are known to be more acute in thermal field theories than at zero temperature. We use the generalised approach of Grammer and Yennie to show that the cancellation of IR divergences occurs, as in the case of zero temperature field theory, between real and virtual contributions to the cross section, order by order, to all orders in perturbation theory. We use this technique...
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Bogdan Dobrescu25/08/2025, 11:20BSM Theory Developments
Are the electron, the neutrinos or the quarks elementary particles, or do they have some substructure? Particle physics experiments have shown that if such substructure exists, its scale must be smaller than about 10^{-18} cm. I will present a theoretical model in which the leptons and the quarks are bound states of a new strongly-coupled interaction, and then I will discuss some tests of the...
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Colin Jessop (Notre Dame)25/08/2025, 11:20Charged Lepton Flavor Violation
Lepton flavor number violating decays are forbidden by the Standard Model, but may be possible in several of its extensions. We present the current searches of electroweak and Higgs boson decays characterized by a signature that violates the conservation of the lepton flavor number. These signature involve electron, muons and hadronically decaying taus in the final state, and are performed...
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Andreas Werner Jung (Purdue University (US))25/08/2025, 11:20Top Physics
Precision measurements of the top quark properties are of paramount importance for our understanding of the SM. We present several measurements of asymmetries in top quark production and of its spin correlations. These measurements allow us to test the fundamentals of quantum mechanics at the highest energies achieved so far and also serve as an excellent probe for physics beyond the Standard...
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Thomas Gosart (University of Pennsylvania (US))25/08/2025, 11:20Heavy BSM Searches at Colliders
A new search is presented for the production of a doubly charged Higgs boson via vector-boson fusion (VBF) with the ATLAS detector at the Large Hadron Collider. The doubly charged Higgs decays into same-sign W boson pairs, where only fully leptonic (electrons and muons) decays of the W bosons are considered. Events are required to contain two forward jets, two same-sign leptons, and missing...
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Diego Andrade (Illinois Institute of Technology)25/08/2025, 11:20Neutrino Sector
MicroBooNE is an 85 tonne active mass liquid argon time projection chamber (LArTPC) at Fermilab. The detector, which has an excellent calorimetric, spatial and energy resolution, has collected beam data from two different beamlines between 2015 and 2020, as well as cosmic ray data when no neutrino beam was running. These characteristics make MicroBooNE a powerful detector not just to explore...
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Fabrizio Vassallo (University of Wisconsin–Madison)25/08/2025, 11:20Dark Sector Physics (direct/indirect/axion)
The upcoming IceCube Upgrade will provide unprecedented sensitivity to dark matter particles that accumulate and annihilate in the core of the Sun. In this talk, I will present our recent study showing that the upgrade will enable tests of parameter space beyond the reach of existing direct detection experiments. This improvement applies in particular to dark matter candidates with...
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Jens Osterhoff (Berkeley Lab)25/08/2025, 11:20Accelerator Technology
The 10 TeV Wakefield Collider Design Study responds to the P5 Report's call for the ``delivery of an end-to-end design concept, including cost scales, with self-consistent parameters throughout." The Design Study leverages recent experimental and theoretical progress that are the result of a vigorous R\&D program. Wakefield Accelerators provide ultra-high accelerating gradients which enables...
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Prof. David Winn (Fairfield University)25/08/2025, 11:40Dark Sector Physics (direct/indirect/axion)
We discuss a Dual to ordinary matter that yields composite self-interacting dark matter. For each elementary particle inn the SM, the Dual:
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1. Changes spin by ½, i.e. a SUSY-lite;
2. U(1): Changes electric charge e to magnetic charge g with g=e/; to avoid non-integer magnetic charge the up and down squark sectors have g=+3g and -6g, the charged sleptons and Wino are charged 2g;
3.... -
Alexander Khanov (Oklahoma State University (US))25/08/2025, 11:40Top Physics
The top-quark pair production in association with heavy-flavour jets (b/c) is a difficult process to calculate and model and is one of the leading sources of background to ttH and 4tops in 1l/2LOS channel. To improve our understanding of this process, new measurements of this process have been performed.
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Tianzi Song (Sun Yat-Sen University (CN))25/08/2025, 11:40Charged Lepton Flavor Violation
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Barbara Yaeggy Alvarez25/08/2025, 11:40
Our understanding of three-flavor neutrino oscillations has undergone significant improvement. However, most progress has come from studying $\nu_e$ and $\nu_\mu$ while the $\nu_\tau$ remains the least explored particle in the Standard Model. The Deep Underground Neutrino Experiment (DUNE), a next-generation long-baseline neutrino experiment under construction, is designed to address this...
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Axel Newton Buchot Perraguin (University of Alabama (US))25/08/2025, 11:40Heavy BSM Searches at Colliders
We present searches from the CMS experiment, performed with data collected during LHC Run 2 at a centre-of-mass energy of 13 TeV, for additional Higgs bosons. A variety of states are searched for, at masses both above and below 125 GeV.
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Emilio Nanni25/08/2025, 11:40Accelerator Technology
A lepton-collider Higgs factory, to precisely measure the couplings of the Higgs boson to other particles, followed by a higher energy run to measure the Higgs self-coupling, is widely recognized as a primary focus of modern particle physics. In this talk, we will present the study of a new concept for a high gradient, high power accelerator with beam characteristics suitable to study the...
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Max Fieg (University of California Irvine (US))25/08/2025, 11:40BSM Theory Developments
Particle physics theories, such as those which explain neutrino flavor mixing, arise from a vast landscape of model-building possibilities. A model's construction typically relies on the intuition of theorists. It also requires considerable effort to identify appropriate symmetry groups, assign field representations, and extract predictions for comparison with experimental data. In this talk,...
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Yuxiao Wang (Tsinghua University (CN))25/08/2025, 12:00Neutrino Sector
The FASER experiment at the LHC is designed to search for light, weakly-coupled new particles, and to study high-energy neutrinos. The experiment has been running since 2022, and has collected nearly 200/fb of pp collision data. FASER has released several neutrino results including the first observation of electron and muon neutrinos at a particle collider, the first measurement of the muon...
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Ishmam Mahbub (University of Minnesota Twin Cities)25/08/2025, 12:00BSM Theory Developments
We recursively construct tree-level electromagnetic and gravitational Compton amplitudes of higher-spin massive particles by the all-line transverse momentum shift. With three-point amplitude as input, we demonstrate that higher-point electromagnetic and gravitational Compton amplitudes are on-shell constructible up to spin $s = 3/2$ and $s = 5/2$, respectively, under the all-line transverse...
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Ankur Dhar (SLAC National Accelerator Lab)25/08/2025, 12:00Accelerator Technology
Cold copper accelerating technology represents one of the new frontiers in normal-conducting RF research. It has enabled accelerating structures to reach record high accelerating gradients while providing overall better efficiency. In this talk we will present the latest results on cold-copper high gradient R&D activities including recent results on single-cell and meter-scale structure...
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Prof. Hossain Ahmed (St. Francis Xavier University)25/08/2025, 12:00Charged Lepton Flavor Violation
Charged lepton flavour violating processes are unobservable in the standard model, but they are predicted to be enhanced in several new physics extensions. We present the results of a search for $\Upsilon(2{\mathrm{S}})$ and $\Upsilon(3{\mathrm{S}})$ decays to $e^{\pm}\mu^{\mp}$ decays.
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The search was conducted using data samples consisting of 99 million $\Upsilon(2{\mathrm{S}})$ and 122... -
Sijing Zhang (L2IT/Université de Toulouse, CNRS/IN2P3 (FR))25/08/2025, 12:00Heavy BSM Searches at Colliders
The discovery of the Higgs boson with the mass of about 125 GeV completed the particle content predicted by the Standard Model. Even though this model is well established and consistent with many measurements, it is not capable of explaining some observations by itself. Many extensions of the Standard Model addressing such shortcomings introduce beyond-the-Standard-Model couplings to the Higgs...
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Keng Lin25/08/2025, 12:00Dark Sector Physics (direct/indirect/axion)
The Short-Baseline Near Detector (SBND) is a 112-ton liquid argon time projection chamber 110 m away from the Booster Neutrino Beam (BNB) target at Fermilab (Illinois, USA). The close location to the BNB origin makes the experiment sensitive to physics beyond the Standard Model (BSM) produced in the beam. Thanks to its advanced scintillation light detection system, a timing resolution at the...
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Tae Jeong Kim (Hanyang University (KR))25/08/2025, 12:00Top Physics
Near the threshold of top quark pair production, non-relativistic QCD predicts an enhancement of ttbar production in pseudoscalar states. Color-singlet contributions are expected to produce a distinct resonance just below the tt threshold, offering a unique testable signature at the LHC. In this talk, we present the first observation of such a contribution in the dileptonic final state. In...
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Rukmani Mohanta25/08/2025, 12:20Neutrino Sector
We illustrate neutrino mass and magnetic moment along with dark matter phenomenology in a Type-III radiative seesaw scenario. To achieve this, we extend the Standard Model with three vector-like fermion triplets and two inert scalar doublets, which can provide a suitable framework for studying the above phenomenological aspects. The inert scalars contribute to the total relic density of...
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Chris Palmer (University of Maryland (US))25/08/2025, 12:20Accelerator Technology
Precise luminosity measurement is essential for the success of the CMS physics program. In this talk, we present the latest results for luminosity measurements from the CMS experiment, including data from Run 2 and Run 3 for both pp and heavy ion collisions. We focus on recent methods to reduce systematic uncertainties that affect the absolute luminosity scale obtained from van der Meer scans,...
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Pankaj Munbodh (University of California Santa Cruz)25/08/2025, 12:20Charged Lepton Flavor Violation
The production of τμ pairs in electron-positron collisions offers a powerful probe of lepton flavor violation. In this work, we calculate the e+e−→τμ cross section within the framework of the Standard Model Effective Field Theory, allowing for arbitrary e+e− beam polarizations. We then estimate the sensitivities of proposed future linear colliders, ILC and CLIC, to effective lepton...
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Haijun Yang (Shanghai Jiao Tong University (CN))25/08/2025, 12:20
Sci. China-Phys. Mech. Astron., 66(1): 211062 (2023)
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arXiv:2411.09345 [Conceptual Design Report]
Nucl. Sci. Tech.35,148(2024)
Nucl. Sci. Tech.35,201(2024)
Nucl. Sci. Tech. 36,41(2025)
arXiv:2407.20723 [JINST peer-reviewing]
arXiv:2401.15477 [10.1007/978-981-97-0065-3_19]
PoS ICHEP2024 (2025) 728... -
Raghav Kansal (Caltech / Fermilab)25/08/2025, 12:20Heavy BSM Searches at Colliders
A core part of the LHC program is the study of the Higgs boson. Since its discovery, extensive effort in CMS has been devoted to precision measurements of its properties and couplings. At high transverse momentum, the Higgs boson can help probe beyond the standard model (BSM) theories.
This talk will cover the recent results on searches with boosted Higgs at CMS made by the CMS...
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Ya-Juan Zheng25/08/2025, 12:20Top Physics
We study the signature of toponium at the LHC.
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Brandon Kriesten25/08/2025, 12:20BSM Theory Developments
Representing hadronic parton distribution functions (PDFs) through flexible, high-fidelity parameterizations remains a long-standing goal of particle physics phenomenology. One crucial goal is to quantitatively connect experiments’ sensitivity to underlying theory assumptions, including a broad array of BSM and SMEFT scenarios, to the properties of the PDFs’ flavor and x-dependence. We explore...
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Alexey Petrov (University of South Carolina)25/08/2025, 14:00Quark Flavor
The theoretical predictions for the $D-\bar{D}$ mixing parameters fall significantly short of experimental measurements, with discrepancies spanning several orders of magnitude. This divergence is largely attributed to the Glashow–Iliopoulos–Maiani (GIM) mechanism, which suppresses leading-order contributions. However, higher-order corrections and nonperturbative effects have the potential to...
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Mr Haotian Cao (University of Wisconsin-Madison)25/08/2025, 14:00String Theory + Formal Theory Developments
We apply the Transformer architecture to explore the vast theory space of two-dimensional Rational Conformal Field Theories (RCFTs) spanned by their tensor products. Our data features the primary conformal dimension and the central charge of the RCFTs from different families, most of which come from the affine Kac-Moody algebra. Constructing the tensor product models based on RCFTs is often...
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Dr Vishvas Pandey25/08/2025, 14:00Neutrino Sector
Current and future accelerator-based neutrino facilities, leveraging intense neutrino beams and advanced detectors, aim to precisely determine neutrino properties and probe signals of weakly interacting beyond the Standard Model physics. Achieving discovery-level precision and fully exploring the physics potential of these experiments critically depends on the accuracy of our understanding of...
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Arthur Wu25/08/2025, 14:00Top Physics
Quantum entanglement is a fundamental property of quantum mechanics. Recently, studies have explored entanglement in the $t\bar{t}$ system at the Large Hadron Collider. In this talk, I will first introduce the search for evidence of quantum entanglement in the semi-leptonic decay channel of $t\bar{t}$. We find that this channel is both easier to reconstruct
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and has a larger effective quantity... -
Zackary Lee Alegria (Oklahoma State University (US))25/08/2025, 14:00Heavy BSM Searches at Colliders
Many new physics models predict the existence of heavy vector bosons which can decay hadronically, making these important signatures in the search for new physics. Searches for such resonances have been performed in various final states. This talk summarises the latest ATLAS searches for this topic.
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Ann Wang (SLAC)25/08/2025, 14:00Dark Sector Physics (direct/indirect/axion)
Ann M Wang, SLAC, for the LZ Collaboration
The LUX-ZEPLIN (LZ) experiment has been collecting data since 2021 to search for evidence of dark matter interactions and other rare physics phenomena using a dual-phase time projection chamber (TPC) filled with 7 tonnes of active xenon. The TPC is surrounded by a veto system designed to reject radioactive and muon backgrounds. The experiment is...
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Stephen Gourlay25/08/2025, 14:00Accelerator Technology
The Particle Physics Project Prioritization Panel (P5), a decadal strategic planning exercise of the Particle Physics Community, has released their final report. The report is based on input from “Snowmass,” a scientific study to define the most important questions for the field of particle physics and identify promising opportunities to address them. Taking input from Snowmass, P5 lays out a...
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Simon Florian Koch (University of Oxford (GB))25/08/2025, 14:18Heavy BSM Searches at Colliders
The production of high-mass 𝜏-lepton pairs constitutes a very effective process to probe the Standard Model flavour sector and to search for new physics. The first measurement of the high-mass $\tau \bar{\tau}$ production cross section is presented, performed by the ATLAS Collaboration with the dataset of 140 fb-1 of pp collisions at $\sqrt{s} = 13$ TeV. New physics models are constrained...
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Kellen McGee (Fermi National Accelerator Laboratory)25/08/2025, 14:20Accelerator Technology
800 MHz bulk niobium superconducting RF cavities are a fundamental, and sizeable, component of the FCC machine at all operating points. In the Booster, for Z, W, and H operating points, there are 112 cavities in 28 cryomodules. For TTbar operation, there will be a total of 448 cavities in the booster in 112 cryomodules, The FCC cavity performance specifications currently sit at the upper limit...
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Peter Berta (Charles University, Prague (CZ))25/08/2025, 14:20Top Physics
The exceptionally large dataset collected by the ATLAS detector at the highest proton-proton collision energies provided by the LHC enables precision testing of theoretical predictions using an extensive sample of top quark events. Recent measurements include total and differential top quark cross sections, as well as measurements of associated top quark production. This contribution presents...
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Francisco Javier Nicolás-Arnaldos (UT-Arlington)25/08/2025, 14:20Neutrino Sector
The Short-Baseline Near Detector (SBND) is a 112-ton scale Liquid Argon Time Projection Chamber (LArTPC) neutrino detector positioned in the Booster Neutrino Beam at Fermilab, as part of the Short-Baseline Neutrino (SBN) program. The detector is currently collecting neutrino beam data. Located only 110 m from the neutrino production target, SBND is exposed to a very high flux of neutrinos and...
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Theresa Fruth (University of Sydney)25/08/2025, 14:20Dark Sector Physics (direct/indirect/axion)
SABRE is an international collaboration that will operate similar particle detectors in the Northern (SABRE North) and Southern Hemispheres (SABRE South). This innovative approach distinguishes possible dark matter signals from seasonal backgrounds, a pioneering strategy only possible with a southern hemisphere experiment. SABRE South is located at the Stawell Underground Physics Laboratory...
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Mr Puxin Lin (University of Wisconsin-Madison)25/08/2025, 14:20String Theory + Formal Theory Developments
The Weak Gravity Conjecture (WGC), an important proposal for consistency of quantum gravity, states a relation between gravity and Abelian gauge interactions of a consistent EFT. In flat space, the WGC necessitates existence of a charged particle with charge-to-mass ratio larger than that of the extremal black holes. However, the statement needs revision in general spacetimes. In this talk, I...
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Kun Cheng (University of Pittsburgh)25/08/2025, 14:30Quark Flavor
The flavor space of particles produced in collider environments provides informative quantum correlations. However, generally there is no first-principle calculation of the flavor state of the meson pair produced at colliders. In this work we construct a complementary set of measurements on the flavor state ultilizing the oscillation and decay of the meson pair, providing a systematic way to...
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Xiaohe Shen (Brown University (US))25/08/2025, 14:36Heavy BSM Searches at Colliders
Recent results on Vector Like Quarks/Excited Fermions at CMS
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Luka Lambrecht (Brown University (US))25/08/2025, 14:40Top Physics
The unprecedented size of the dataset collected by the CMS detector at the LHC allows us to explore increasingly rare top quark production modes and high precision measurements of the more copious ones. We present various measurements of the top quark production in different production modes, including those in which the top quarks are produced in association with electroweak bosons. The...
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Sai Neha Santpur (Univ. of California Santa Barbara (US))25/08/2025, 14:40Dark Sectors at Colliders
We will report the status of the milliQan experiment at CERN. The milliQan "bar" detector was completed in June 2023 and has been taking physics data since then. The milliQan "slab" detector was completed in Fall of 2024 and is being commissioned. We will give an update on the readiness of the slab detectorfor physics data taking. Finally, we will present first physics results on the search...
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Jacky Hoi Tung Yip (University of Wisconsin-Madison)25/08/2025, 14:40String Theory + Formal Theory Developments
Fine, regular, and star triangulations (FRSTs) of 4-dimensional reflexive polytopes generate toric varieties, within which Calabi-Yau threefolds can be embedded as hypersurfaces. We use transformers---deep learning models originally developed for language modeling---to generate FRSTs of polytopes of varying sizes. Our method shows promising scalability with polytope size and can be...
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Martin Mihaylov Tzanov (Louisiana State University (US))25/08/2025, 14:40Neutrino Sector
The T2K experiment's primary off-axis near detector, ND280, has the essential role of constraining the main systematic uncertainties that affect neutrino oscillation measurements. Among the leading sources of these uncertainties are neutrino-nucleon interaction cross sections, which must be more precisely understood to fully exploit the potential of current and future long-baseline neutrino...
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Kyle Capobianco-Hogan25/08/2025, 14:40Accelerator Technology
We present a preliminary lattice based on a bottom up design for a rapidly cycling synchrotron (RCS) accelerator chain for a multi-TeV muon collider based at Fermilab. The RCS rings range in circumference from 6.28 km (that of the Tevatron) to 15.5 km (the current estimate for the maximum that can be accommodated at the Fermilab site). Each ring is either a conventional RCS (consisting of...
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Ms Ipsita Ray25/08/2025, 14:50Quark Flavor
The non-leptonic $B$-meson decays serve as excellent ground to test the Standard Model for example, how well are flavor symmetries such as isospin and flavor SU(3) realised in data, and their study is also important for new physics searches. As it has been observed, the analysis of $B \to PP$ decays where $B = \{B^0, B^+, B_s^0\}$ and $P = \{ \pi, K \}$ under the flavor SU(3) symmetry...
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Elin Bergeaas Kuutmann (Uppsala University (SE))25/08/2025, 14:54Heavy BSM Searches at Colliders
The Standard Model of Particle Physics explains many natural phenomena yet remains incomplete. Vectorlike quarks (VLQs) and leptoquarks (LQs) lie at the heart of many extensions to the Standard Model seeking to address the Hierarchy Problem, or the flavour sector anomalies. This talk will present the new results from searches with the ATLAS detector.
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Makoto Tomoto (KEK High Energy Accelerator Research Organization (JP))25/08/2025, 15:00Top Physics
The top-quark mass is one of the key fundamental parameters of the Standard Model that must be determined experimentally. Its value has an important effect on many precision measurements and tests of the Standard Model. The Tevatron and LHC experiments have developed an extensive program to determine the top quark mass using a variety of methods. In this contribution, the top quark mass...
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Ethan Martin Torres (CERN)25/08/2025, 15:00String Theory + Formal Theory Developments
The recently proposed Swampland Cobordism Conjecture predicts the existence of new non-supersymmetric objects in string theory. We argue that the asymptotic profile of a conjectured target space domain wall separating the type IIA and type IIB string theories can be characterized in terms of a string worldsheet interface with different GSO projections on each side. Similar considerations hold...
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Mr Kevin Hamilton (Northern Illinois University)25/08/2025, 15:00Accelerator Technology
Particle accelerators are typically constrained in intensity of a beam due to a phenomenon known as the dynamic aperture (DA). This DA is typically determined by the elemental components of the lattice under consideration and is often constricted by the presence of nonlinear elements, such as sextupole magnets. However, the lattice may often be represented by an order $n$ Taylor map, which...
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Jae Hyeok Yoo (Korea University (KR))25/08/2025, 15:00Dark Sector Physics (direct/indirect/axion)
The SUB-Millicharge ExperimenT (SUBMET) is designed to search for sub-millicharged particles produced in proton fixed-target collisions at J-PARC. The detector, positioned 280 meters downstream of the target, consists of two layers of stacked scintillator bars coupled to photomultiplier tubes (PMTs). The dominant background arises from random coincidences between the two detector layers,...
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Anjan Giri (IIT Hyderabad)25/08/2025, 15:00Neutrino Sector
A deep understanding of neutrino-target interactions is crucial to reduce the systematic uncertainties for oscillation parameter measurements. We investigate the effect of final-state interactions (FSI) in the charge current quasi-elastic (CCQE) channel by reconstructing the neutrino energy using the calorimetric method. A selection of events with 1 proton, 0 pion, and any number of neutrons...
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Ji Yuyao25/08/2025, 15:10
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Yihui Lai (Princeton University (US))25/08/2025, 15:12
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Pierluigi Campana (Frascati), Pierluigi Campana (Laboratori Nazionali di Frascati (LNF))25/08/2025, 16:00
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Frederic Deliot (Université Paris-Saclay (FR))25/08/2025, 16:15
Common ATLAS and CMS presentation
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Dmitri Denisov (Brookhaven National Laboratiry), Heidi Marie Schellman (Oregon State University (US)), Karri DiPetrillo (University of Chicago), Mark Thomson (CERN), Pierluigi Campana (Laboratori Nazionali di Frascati (LNF)), Tulika Bose (University of Wisconsin Madison (US)), Wang Yifang (IHEP,CAS), Young-Kee Kim (University of Chicago (US))25/08/2025, 16:45
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25/08/2025, 17:30
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25/08/2025, 17:40
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Mark Thomson (CERN), Young-Kee Kim (University of Chicago (US))25/08/2025, 17:45
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Haider Abidi (Brookhaven National Laboratory (US))26/08/2025, 09:00
Common ATLAS and CMS presentation
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SHIN-SHAN YU (FERMILAB), Shin-Shan Yu (Catholic University of America (US))26/08/2025, 09:30
Common ATLAS and CMS presentation
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Michael Peskin26/08/2025, 10:00
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Juergen Reuter (DESY Hamburg, Germany)26/08/2025, 11:00Future Colliders
We review linear e+e− colliders with a special focus on high centre-of-mass energies and beam polarisation, take a fresh look at the various accelerator technologies available or under development and, for the first time, discuss how a facility first equipped with a technology mature today could be upgraded with technologies of tomorrow to reach much higher energies and/or luminosities. In...
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Marco Caporale (Universita e INFN, Bologna (IT))26/08/2025, 11:00Quark Flavor
The LHCb detector is optimized for performing precision flavour measurements. Thanks to its particle-identification capabilities it is able to fully exploit the potential of the Large Hadron Collider. In this talk, recent results regarding the study of $C\!P$ violation in beauty-baryon decays at LHCb will be presented. The study of these decays is particularly interesting because, prior to the...
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Peisi Huang26/08/2025, 11:00BSM Theory Developments
In this talk, I am going to review recent development of BSM theories.
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Delaney Butterfield (University of Wisconsin-Madison)26/08/2025, 11:00Instrumentation
A new digital optical module (DOM) has been developed for the proposed expansion to the IceCube detector at the South Pole, IceCube-Gen2. The “Gen2-DOM” has 4 times the integrated photon sensitivity of the current IceCube DOMs and has built off the design features of the IceCube Upgrade modules. The Gen2-DOM has up to 18 4" photomultiplier tubes (PMTs) in a borosilicate glass pressure vessel,...
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Suchita Kulkarni (University of Graz)26/08/2025, 11:00
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Kensuke Yamamoto (The University of Tokyo)26/08/2025, 11:00Charged Lepton Flavor Violation
The MEG II experiment searches for the lepton-flavor-violating muon decay, $\mu^+ \to e^+ \gamma$, utilizing the most intense continuous muon beam at Paul Scherrer Institut and innovative high-resolution detectors, with a target sensitivity of $6 \times 10^{-14}$. The experiment started collecting physics data in 2021 and has been accumulating statistics. The latest result, based on the data...
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Diego Baron (The University of Manchester (GB))26/08/2025, 11:00Electroweak Physics
Measurement of rare processes in the electroweak sector poses unprecedented stringent test of the SM theory, and in particular offers unique sensitivity to study the electroweak symmetry breaking (VBS processes) and the quartic boson self-couplings (VBS and triboson processes). In addition to cross-section measurements, systematic study of boson polarization states in VBS processes is being...
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Isaac Wang, Isaac Wang26/08/2025, 11:20BSM Theory Developments
A precise determination of the bubble wall velocity $v_w$ is crucial for making accurate predictions of the baryon asymmetry and gravitational wave (GW) signals in models of electroweak baryogenesis (EWBG).
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Working in the local thermal equilibrium approximation, we exploit entropy conservation to present efficient algorithms for computing $v_w$, significantly streamlining the calculation.
We... -
Luka Santelj (IPHC Strasbourg), Luka Santelj, Luka Santelj (Jozef Stefan Institute)26/08/2025, 11:20Quark Flavor
The Belle and Belle II experiment have collected a 1.2 ab$^{-1}$ sample of $e^+e^-\to B\bar{B}$ decays at a centre-of-mass energy corresponding to the $\Upsilon(4S)$ resonance. The SuperKEKB collider is asymmetric, providing a boost to the $B$ mesons in the laboratory frame, so we can perform measurements of time-dependent $C\!P$ violation. Among the new results, we measure $CP$-violating...
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Qipeng Hu (University of Science and Technology of China (CN))26/08/2025, 11:20Future Colliders
The Super Tau Charm Facility (STCF), a planned symmetric electron-positron collider in China, aims to facilitate $e^+e^−$ collisions across a center-of-mass energy range of 2 to 7 GeV, targeting a peak luminosity of $0.5×10^{35}\mathrm{cm}^{−2}\mathrm{s}^{−1}$. With an anticipated annual integrated luminosity exceeding $1~ab^{−1}$, the STCF is poised to generate vast datasets. These will...
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Haleh Hadavand (University of Texas at Arlington (US))26/08/2025, 11:20Instrumentation
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. The scintillators are read-out by the wavelength shifting fibers coupled to the photomultiplier tubes (PMTs). The analogue signals from the PMTs are amplified, shaped, digitised by sampling the signal every 25...
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Yoshinori Fukao (High Energy Accelerator Research Organization)26/08/2025, 11:20Charged Lepton Flavor Violation
The COMET experiment aims to search for the process of muon-to-electron conversion in a muonic atom, with a ultimate goal of achieving a sensitivity on the order of 10$^{-17}$. This process violates the charged lepton flavor conservation and is forbidden in the Standard Model of the particle physics. Therefore, its discovery would be a clear evidence of the new physics. After the first...
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Irene Zoi (Fermi National Accelerator Lab. (US))26/08/2025, 11:20Electroweak Physics
Vector boson scattering is a key production process to probe the electroweak symmetry breaking of the standard model, since it involves both self-couplings of vector bosons and coupling with the Higgs boson. If the Higgs mechanism is not the sole source of electroweak symmetry breaking, the scattering amplitude deviates from the standard model prediction at high scattering energy. Moreover,...
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Kai Hong Law (Imperial College (GB))26/08/2025, 11:30Searches & QCD with Jets
Exploring new physics in the Dark Sector at CMS
Among the intriguing scenarios of new physics that provide explanation to several shortcomings of the Standard Model (SM), hidden valley scenarios include a Dark Sector that extends the SM with a non-Abelian gauge group, similar to quantum chromodynamics with new matter and gauge fields analogous to the SM quark and gluon fields. This may...
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Linnuo Zhang (University of Science and Technology of China (CN))26/08/2025, 11:40Future Colliders
Gaseous detectors play a critical role in the design of the inner tracker and muon detector systems for the Future Circular Collider electron-positron (FCC-ee) experiment. The muon detector is essential for muon identification and triggering. Precise measurements of charged particle segment directions and arrival times enable searches for exotic phenomena, such as long-lived particles and...
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Patrick Fox26/08/2025, 11:40Charged Lepton Flavor Violation
Axion-like particles (ALPs) are well-motivated examples of light, weakly coupled particles in theories beyond the Standard Model. We study constraints on long-lived ALPs with mass between the electron and the tau mass, coupled exclusively to leptons. For anarchic flavor structure the leptophilic ALP production in tau decays or from ALP-tau bremsstrahlung is enhanced thanks to derivative...
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Shu Li (Tsung-Dao Lee Institute, Shanghai Jiao Tong Univ. (CN))26/08/2025, 11:40Electroweak Physics
Measurement of diboson events is a unique venue at the LHC, offering precision test of SM QCD and EW predictions at unprecedented accuracies relevant to this sector, and sensitive probe of the non-Abelian structure of SM EW theory, leading to stringent constraints on Effective Field Theory wilson coefficients. This talk will summarize recent achievements from ATLAS on this topic.
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Gaetano de Marino (Jožef Stefan Institute)26/08/2025, 11:40Quark Flavor
The Belle and Belle II experiments have collected a 1.2 ab$^{-1}$ sample of $e^+ e^-\to B\bar{B}$ collisions at a centre-of-mass energy corresponding to the $\Upsilon(4S)$ resonance. These data, with low particle multiplicity and constrained initial state kinematics, are an ideal environment to search for rare electroweak penguin $B$ decays and lepton-flavour-violating $B$ decays to final...
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Ishmam Mahbub (University of Minnesota Twin Cities)26/08/2025, 11:40BSM Theory Developments
We study the All-Line Transverse (ALT) shift which we developed for on-shell recursion of amplitudes for particles of any mass. We apply the shift to unambiguously derive massive QED and electroweak theory amplitudes using on-shell methods. We discuss the validity of the shift for general theories of spin $\leq$ 1, and illustrate the connection between Ward identity and constructibility for...
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Riccardo Salvatico (CERN)26/08/2025, 11:40Instrumentation
The Electromagnetic Calorimeter (ECAL) of the CMS experiment at the LHC plays a vital role in various physics analyses, including Higgs boson studies and searches for new phenomena. Achieving accurate calibration of the detector and its individual channels is critical for optimizing the energy resolution of electrons and photons, as well as for measuring the electromagnetic components of jets...
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Danielle Joan Wilson-Edwards (The University of Manchester (GB))26/08/2025, 11:50Dark Sectors at Colliders
Various theories beyond the Standard Model predict unusual signatures or new, long-lived particles decaying at a significant distance from the collision point. These unique signatures are difficult to reconstruct and face unusual and challenging backgrounds. The talk will focus on the most recent results using pp collision data collected by the ATLAS detector.
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Dr Innes Bigaran (Fermilab and Northwestern University)26/08/2025, 12:00Charged Lepton Flavor Violation
I will discuss a proposed dark matter direct-detection strategy using charged particle decays at accelerator-based experiments. If ultralight $(m_\phi \ll \text{eV})$ dark matter has a misalignment abundance, its local field oscillates in time at a frequency set by its mass. If it also couples to flavor-changing neutral currents, rare exotic decays such as $\mu \to e \phi'$ and $\tau\to...
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Keegan Everett Downham (Univ. of California Santa Barbara (US))26/08/2025, 12:00Electroweak Physics
Measurements of Triboson production at CMS
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Yuxin Liu26/08/2025, 12:00BSM Theory Developments
Neutron stars typically contain a percent-level population of muons and therefore act as macroscopic sources of the long-range U(1){μ-τ} gauge field linked to a possible muonic fifth force. In the proto-neutron-star phase, muon antineutrinos produced via charged-current weak processes escape the star, leaving behind a net L{μ-τ} charge that builds up a “dark Coulomb” potential. Once the...
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Alex Gilman, Alex Gilman26/08/2025, 12:00Quark Flavor
BESIII has recently accumulated a large data sample at the $\psi(3770)$ energy point corresponding to an integrated luminosity of 20 $fb^{-1}$. The neutral $D\bar{D}$ pairs produced at the $\psi(3370)$ are in a C-odd correlated state, providing a unique laboratory to measure the strong-phase differences between $D^0$ and $\bar{D}^0$ decays. These parameters are essential inputs to CP violation...
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Chris Rasmussen, Chris Rasmussen (Brookhaven National Laboratory (US))26/08/2025, 12:00Future Colliders
The Future Circular Collider in its first stage, an electron-positron collider (FCC-ee), presents a broad physics program with multiple challenges for detector design. It aims to enable precision measurements of the electroweak sector at an unprecedented level and facilitate searches for new particles weakly coupled to the Standard Model. ALLEGRO is one of the proposed detector concepts...
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Colin Jessop (University of Notre Dame (US))26/08/2025, 12:00Instrumentation
The High Luminosity upgrade of the CERN LHC (HL-LHC) will deliver unprecedented instantaneous and integrated luminosities to the detectors and an average of up to 200 simultaneous interactions per bunch crossing is expected. The CMS detector is undergoing an extensive Phase-2 upgrade program to prepare for these severe conditions and a major upgrade of the electromagnetic calorimeter (ECAL) is...
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Prof. Youngjoon Kwon (Yonsei University)26/08/2025, 12:10Dark Sectors at Colliders
The Belle and Belle II experiment have collected samples of $e^+e^-$ collision data at centre-of-mass energies near the $\Upsilon(nS)$ resonances. These data have constrained kinematics and low multiplicity, which allow searches for dark sector particles in the mass range from a few MeV to 10 GeV. Using a 365 fb$^{-1}$ sample collected by Belle II, we search for inelastic dark matter and an...
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Jessaly Zhu26/08/2025, 12:20Future Colliders
We propose to build a straw tracker as an inner tracking system for FCC-ee experiments. The straw tracker offers the advantage of a low material, a crucial factor in minimizing overall inner detector material budget. With the capability to achieve a single-hit resolution of approximately 100 microns per layer, and the potential for up to 100 layers, the straw tracker will play a pivotal role...
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Ricardo Ximenes (University of Wisconsin-Madison)26/08/2025, 12:20BSM Theory Developments
Increasing attention has been given recently to the theory and phenomenology of portal matter (PM) models — a BSM framework in which the Standard Model (SM) local gauge symmetry group is augmented by a local dark group $U(1)_D$, of which the mediator is the dark photon, and kinetic mixing between $U(1)_D$ and the SM hypercharge is generated at one loop by the PM fields. The case in which the...
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Aidan Richard Wiederhold (The University of Manchester (GB))26/08/2025, 12:20Quark Flavor
A precise measurement of the CKM angle $\gamma$ is a standard candle test of CP violation in the Standard Model and a central goal of the LHCb experiment. The latest LHCb results from measurements of CP violation using beauty to open charm decays are presented. These include novel measurements using the full LHCb Run 1+2 data sample and the latest LHCb combination of $\gamma$ and charm mixing...
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Dr Subhojit Roy (Argonne National Laboratory)26/08/2025, 12:20Electroweak Physics
Although protons are baryons with an overall vanishing lepton number, they possess a non-trivial leptonic content arising from quantum fluctuations which can be described by lepton parton distribution functions (PDFs) of the proton. These PDFs have been recently computed and can be used to define lepton-induced processes at high-energy colliders. In this article, we propose a novel way to test...
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Lei Zhang (Nanjing University (CN))26/08/2025, 12:20Instrumentation
The increased particle flux at the HL-LHC poses a significant challenge to the
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ATLAS detector’s performance, particularly in the forward region which has reduced
detector granularities. To address this challenge, ATLAS is adding the High-
Granularity Timing Detector (HGTD), utilizing novel Low-Gain Avalanche Detector
(LGAD) silicon technology. The HGTD will provide capabilities for pileup... -
Jannicke Pearkes (University of Colorado Boulder (US))26/08/2025, 14:00
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Ben Moses, Benjamin Moses26/08/2025, 14:00Hadron Physics
In recent years, a number of charmonium-like states have been observed
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above the open-charm threshold in various experiments. Their properties often go
against our expectations for regular charmonium states, making their
interpretation difficult. With BESIII, we are a leading contributor to the
experimental studies of the so-called XYZ states – studying Y-states directly in
e+e-... -
Ioannis Michail Maniatis (Weizmann Institute of Science (IL))26/08/2025, 14:00Quark Flavor
This talk will present recent results from the ATLAS experiment on measurement of beauty and charm hadron production and decay properties. Measurements of D meson production and of associated production of $J/psi$ with other objects at $\sqrt{s} = 13$ TeV will be reported, as well as measurements of $B^0$ meson lifetime and of properties of $B^0_{(s)}\to\mu^+\mu^-$ rare decays. Parallel...
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Bogdan Dobrescu26/08/2025, 14:00Searches & QCD with Jets
New particles with masses in the TeV range, including vectorlike quarks, diquark scalars, colorons, and others, may produce signals at the LHC with high transverse momentum jets. I will discuss various predictions for such signals in theories beyond the Standard Model. Depending on the couplings of the heavy particles, additional signals involving highly-boosted top quarks would appear as jets...
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Liang Liu (Fermi National Accelerator Laboratory)26/08/2025, 14:00Neutrino Sector
MicroBooNE is a liquid argon time projection chamber (LArTPC) neutrino detector located along the Fermilab Booster Neutrino Beam and 8 degrees off-axis to the Neutrinos at the Main Injector beam. MicroBooNE collected data from both beams accumulating a large neutrino-argon scattering dataset with a mean neutrino energy of approximately 0.8 GeV. Understanding neutrino-argon interactions is...
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Luis Falda Coelho (Laboratory of Instrumentation and Experimental Particle Physics (PT))26/08/2025, 14:00Higgs Physics
In the Standard Model, the ground state of the Higgs field is not found at zero but instead corresponds to one of the degenerate solutions minimising the Higgs potential. In turn, this spontaneous electroweak symmetry breaking provides a mechanism for the mass generation of nearly all fundamental particles. The Standard Model makes a definite prediction for the Higgs boson self-coupling and...
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Jack Lindon (CERN)26/08/2025, 14:00Instrumentation
The tracking performance of the ATLAS detector relies critically on its 4-layer Pixel
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Detector, with a sensitive area of ~1.9 m2 and 92 million pixels. Its original part,
consisting in 3 layers of planar pixel sensor is continuously operating since the start
of LHC collisions in 2008, while Its innermost layer, the Insertable B Layer (IBL) at
about 3 cm from the beam line, was installed in... -
Dr Rui Zou (Cornell University (US))26/08/2025, 14:20Higgs Physics
The measurement of the production of Higgs boson pairs (HH) at the LHC allows the exploration of the Higgs boson interaction with itself and is thus a fundamental test of the Standard Model theory and has a key role in the determination of the Higgs boson nature. The most recent results from the CMS collaboration on measurements of non-resonant HH production using different final states and...
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Martin Bartl, Martin Frederik Bartl (Max Planck Institute for Physics)26/08/2025, 14:20Hadron Physics
The Belle and Belle II experiments have collected a $1.6 ~\mathrm{ab}^{-1}$ sample of $e^+e^-$ collision data at centre-of-mass energies near the $\Upsilon(nS)$ resonances. In particular, the Belle II experiment collected a 19.2 fb$^{-1}$ sample of data at centre-of-mass energies near the $\Upsilon(10753)$ resonance. We present several results related to the following processes: $e^+e-\to...
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Taeun Kwon (Brown University (US))26/08/2025, 14:20Quark Flavor
This talk presents the first CMS measurements of the production fractions of B⁺, B⁰, and B⁰ₛ mesons in proton-proton collisions at 13 TeV. The analysis is based on a dedicated 2018 data set collected with high-rate triggers, which enables the reconstruction of hadronic open-charm decays of B mesons (e.g., B → πD), where the D mesons decay fully hadronically. These channels allow precise...
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Angira Rastogi (Lawrence Berkeley National Lab. (US))26/08/2025, 14:20Instrumentation
The ATLAS experiment is currently preparing for an upgrade of the Inner Tracking for High-Luminosity LHC operation, scheduled to start in 2030. The radiation damage at the maximum integrated luminosity of 4000/fb implies integrated hadron fluencies over 2x1016neq/cm2 and tracking in a very dense environment call for a replacement of the existing Inner Detector. An all-silicon Inner Tracker...
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Minerba Betancourt26/08/2025, 14:20Neutrino Sector
The ICARUS experiment, utilizing Liquid Argon Time Projection Chamber (LAr TPC) technology, has been installed at Fermilab in Chicago, Illinois, following its initial operation in Italy and subsequent refurbishment at CERN. ICARUS has successfully been taking physics data at Fermilab since June 2022. While the experiment's primary objective is to function as the far detector of the Short...
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Nadja Strobbe (University of Minnesota (US))26/08/2025, 14:20Exotic Searches at Colliders
Since the classic searches for supersymmetry under R-parity conserving scenarios have not given any strong indication for new physics yet, more and more supersymmetry searches are carried out on a wider range of supersymmetric scenarios. This talk focuses on searches looking for signatures of stealth and R-parity-violating supersymmetry.
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Divya Gadkari (Rutgers State Univ. of New Jersey (US))26/08/2025, 14:30Searches & QCD with Jets
Searches in CMS for new physics in final states with jets
Many new physics models such as compositeness, extra dimensions, extended Higgs sectors, supersymmetric theories, and dark sector extensions, are expected to manifest themselves in the final states with hadronic jets. This talk presents searches in CMS for new phenomena in the final states that include jets, focusing on the recent...
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Lu Ren (University of Colorado Boulder (US))26/08/2025, 14:40Neutrino Sector
Current and future accelerator-based neutrino experiments require precise estimations of their (anti)neutrino fluxes. The (anti)neutrino flux uncertainty primarily arises from insufficient precision in understanding primary and secondary hadron-nucleus interactions in the target and beamline materials. The SPS Heavy Ion and Neutrino Experiment (NA61/SHINE) at CERN has developed a dedicated...
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Boyang Zhang26/08/2025, 14:40Quark Flavor
The Belle and Belle II experiments have collected a combined sample of 1.2 ab$^{-1}$ of $e^+ e^-\to B\bar{B}$ collisions at a centre-of-mass energy corresponding to the $\Upsilon(4S)$ resonance. These data, with low particle multiplicity and constrained initial state kinematics, are an ideal environment for studying semileptonic and leptonic decays of the $B$ meson. Combined with...
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Alex Gilman, Alex Gilman26/08/2025, 14:40
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Brendon Bullard (SLAC National Accelerator Laboratory (US))26/08/2025, 14:40Higgs Physics
The event rates and kinematics of Higgs boson production and decay processes at the LHC are sensitive probes of possible new phenomena beyond the Standard Model (BSM). This talk presents the most recent results in the measurements of Higgs boson production and decay rates, obtained using the full Run 2 and partial Run 3 pp collision dataset collected by the ATLAS experiment at 13 TeV and 13.6...
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Jingyu Luo (Brown University (US))26/08/2025, 14:40Exotic Searches at Colliders
Searches in CMS for long-lived particles and other non-conventional signatures
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Rosario Turrisi (Universita e INFN, Padova (IT))26/08/2025, 14:40Instrumentation
The Electron-Ion Collider (EIC), the future facility at Brookhaven National Laboratory (Upton, NY, USA), will enable precision studies of the partonic structure of nucleons and nuclei across a broad range of Bjorken-x and four-momentum transfer squared Q2, with center-of-mass energies from 20 to 140 GeV. Leveraging high luminosity (1034 cm−2s−1) and polarized beams (electrons, protons, and...
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Wasikul Islam (University of Wisconsin-Madison (US))26/08/2025, 14:50Searches & QCD with Jets
Many theories beyond the Standard Model (SM) predict new physics phenomena that decay hadronically to dijet or multijet final states. This talk summarises the latest results from the ATLAS detector using the Run-2 dataset, involving these final states.
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SAMYAK JAIN26/08/2025, 15:00Neutrino Astrophysics
The discovery of non-zero neutrino masses guarantees the existence of particles and interactions beyond the Standard Model of particle physics. Possible observational signatures of new neutrino physics include deviations in oscillation probabilities predicted by the PMNS framework; neutrino interactions with undiscovered heavy gauge bosons—Non-Standard Interactions (NSI)—coupling to lepton...
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Gustavo Gil Da Silveira (Universidade do Estado do Rio de Janeiro (BR))26/08/2025, 15:00Exotic Searches at Colliders
Physics results with the CMS Precision Proton Spectrometer and projections for the HL-LHC with PPS2
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Simona Palluotto (Università degli Studi & INFN Milano-Bicocca (IT))26/08/2025, 15:00Instrumentation
During the High Luminosity phase of LHC, up to 200 proton-proton collisions per bunch crossing will bring severe challenges for event reconstruction. To mitigate pileup effects, an extended upgrade program of the CMS experiment is expected. A new timing layer, the MIP Timing Detector (MTD), will be integrated between the tracker and the calorimeters. With a time resolution of 30-60 ps, the MTD...
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Ching-Hua Li (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)26/08/2025, 15:00Quark Flavor
Semileptonic b-hadron decays proceed via charged-current interactions and provide powerful probes for testing the Standard Model and searching for New Physics effects. The advantages of studying such decays include the large branching fractions and reliable calculations of the hadron matrix elements. Several SM features may be studied, such as the ratios of branching fractions, CKM parameters,...
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Dr Subhojit Roy (Argonne National Laboratory)26/08/2025, 15:00Higgs Physics
An accurate description of the scalar potential at finite temperature is crucial for studying cosmological first-order phase transitions (FOPT) in the early Universe. At finite temperatures, a precise treatment of thermal resummations is essential, as bosonic fields encounter significant infrared issues that can compromise standard perturbative approaches. The Partial Dressing (or the tadpole...
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Hector De La Torre Perez (Northern Illinois University (US))26/08/2025, 15:10Searches & QCD with Jets
Many theories beyond the Standard Model (SM) predict new physics phenomena that decay to photons, jets or missing energy. This talk summarises the latest results from the ATLAS detector using the Run-2 dataset, involving these final states. A number of sensitive kinematics are explored, including the invariant mass and angular distributions.
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Tao Han, Tao Han (University of Wisconsin)26/08/2025, 16:00
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Jesse Liu (New York University)26/08/2025, 16:30
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Abhay Deshpande (Stony Brook University), Abhay Deshpande26/08/2025, 17:00
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Mark Thomson (CERN)26/08/2025, 18:30
The lecture will explore the cutting-edge frontier of particle physics and our understanding of the universe at its most fundamental level – ranging from understanding dark matter to exploring the early universe. It will focus on the world’s largest and most ambitious particle physics collider – the Large Hadron Collider at CERN – discussing what we have discovered at some of the remaining...
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Mirjam Cvetic (University of Pennsylvania)27/08/2025, 09:00
In the past decades, String Theory has emerged as the prime candidate for the unification of particle physics with quantum gravity. It has shed light on important fundamental questions of theoretical physics, such as the microscopic structure of black holes and the geometric origin of particle physics. We focus on the important geometric role that branes, extended objects in String Theory play...
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Prof. Johannes Lange (American University)27/08/2025, 09:30
The Dark Energy Spectroscopic Instrument (DESI) is a groundbreaking cosmology experiment measuring the spectra of tens of millions of extragalactic galaxies and quasars. Its unprecedented capabilities enable the creation of the most detailed three-dimensional maps of the Universe produced to date. In March 2025, DESI released its latest major cosmological analysis, focusing on the measurement...
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Bradford Benson (Fermi National Accelerator Laboratory)27/08/2025, 10:00
The next frontier for measurements of the cosmic microwave background (CMB) will be to characterize is polarization, which will give several new windows into the physics of the early Universe. On degree angular scales, the amplitude of the B-mode polarization gives a constraint on the energy scale of cosmic Inflation, with measurements in the next several years improving constraints by an...
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Arifa Khatee Zathul (University of Wisconsin-Madison)27/08/2025, 11:00Multi-messenger Astrophysics
In this talk, we propose an alternative explanation for the neutrino emission observed by IceCube from the active galactic nucleus TXS 0506+056. We argue that these neutrinos could originate near the core of TXS 0506+056 instead of the blazar jet, akin to the mechanism behind the neutrino flux from NGC 1068 and NGC 4151.
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Rukmani Mohanta27/08/2025, 11:00Quark Flavor
In recent times, several anomalies have been observed in the semileptonic decays of $B$ meson mediated by FCNC transitions $b \to s \mu^+ \mu^-$. These tantalizing signals point towards the possible existence of New Physics beyond the Standard Model. We explore $U(1)_{L_e-L_\mu}$ gauge extension of the Standard Model with particle content enlarged by three neutral fermions, of which the...
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Dr Promita Roy (Centre for Neutrino Physics, Virginia Tech)27/08/2025, 11:00Neutrino Sector
The ICARUS Collaboration is now entering its fifth year of continuing
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operations of the 760-ton liquid argon T600 detector. The T600 was
overhauled at CERN after operations at the LNGS underground
laboratory in Italy and moved to its present location at FNAL - as part of
the Short-Baseline Neutrino (SBN) program - where it successfully
completed its commissioning phase in June 2022. At... -
Mark Neubauer (Univ. Illinois at Urbana Champaign (US))27/08/2025, 11:00Triggers AI / ML
The High-Luminosity Large Hadron Collider (HL-LHC) at CERN marks a
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new era for high-energy particle physics, demanding significant
upgrades to the ATLAS Trigger and Data Acquisition (TDAQ) system.
Central to these upgrades is the enhancement of online software
tracking capabilities to meet the unprecedented data rates and
complexity of HL-LHC operations. This study investigates the... -
Susmita Mondal (University of Wisconsin Madison (US))27/08/2025, 11:00Electroweak Physics
The study of vector boson (V = W, Z) polarization in diboson production serves as an important test of electroweak symmetry breaking mechanism and can be used as a tool to search for new physics effects. This is also a first step to studying longitudinal polarization in the rare process of vector boson scattering. In this talk, we present recent measurements of polarization observables in VV...
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Sophie Middleton (Caltech)27/08/2025, 11:00Dark Sectors at Colliders
We present the most recent $BABAR$ searches for reactions that could simultaneously explain the presence of dark matter and the matter-antimatter asymmetry in the Universe. This scenario predicts exotic $B$-meson decays into an ordinary-matter baryon and a dark-sector anti-baryon $\psi_D$ with branching fractions accessible at the $B$ factories.
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The results are based on the full data set of... -
Wonyong Chung (Princeton University (US))27/08/2025, 11:00Future Colliders
The electron-positron stage of the Future Circular Collider (FCC-ee) provides exciting opportunities that are enabled by next generation particle physics detectors. We present IDEA, a detector concept optimized for FCC-ee and composed of a vertex detector based on DMAPS, a very light drift chamber, a silicon wrapper, a high resolution dual-readout crystal electromagnetic calorimeter, an HTS...
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Shouvik Roychoudhury (Academia Sinica Institute of Astronomy and Astrophysics)27/08/2025, 11:20Cosmology
Based on arXiv: 2409.13022 (published in ApJ Letters). We update constraints on cosmological parameters in a 12-parameter model, which extends the standard 6-parameter ΛCDM to include dynamical dark energy and massive neutrinos, along with other new parameters. We use the latest Planck PR4 (2020) likelihoods, DESI DR1 BAO, and the latest uncalibrated type Ia Supernovae (SNe) datasets. In this...
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Pierpaolo Savina (Gran Sasso Science Institute)27/08/2025, 11:20Multi-messenger Astrophysics
The Pierre Auger Observatory is the world’s largest air-shower detector, providing unmatched exposure to photons with energies above $5\times10^{16}$ eV.
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Since the beginning of data collection nearly two decades ago, numerous photon searches have been carried out using the detection systems of the Observatory.
These efforts have resulted in the most stringent upper limits on the diffuse... -
Ansh Desai (University of Oregon (US))27/08/2025, 11:20Dark Sectors at Colliders
The FASER experiment at the LHC is designed to search for light, weakly-coupled new particles, and to study high-energy neutrinos. The experiment has been running since 2022, and has collected nearly 200/fb of pp collision data. FASER has released a search for long-lived dark photons, and long lived axion-like-particles (also interpreted in several other scenarios). This talk will summarize...
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Massimo Casarsa (INFN, Trieste (IT))27/08/2025, 11:20Future Colliders
The full exploitation of the physics potential of a multi-TeV muon collider will ultimately lie in the detector's ability to cope with unprecedented levels of machine-induced backgrounds. This contribution introduces the MUSIC (MUon System for Interesting Collisions) detector concept and presents its performance in the context of $\sqrt{s}$ = 10 TeV muon-antimuon collisions. The MUSIC detector...
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Federico Leo Redi (Università degli Studi e INFN Milano (IT))27/08/2025, 11:20Electroweak Physics
The Electroweak sector of the Standard Model is currently being scrutinized with a extraordinary level of detail. Many of the Electroweak and QCD processes can be computed nowadays at several orders in perturbation theory, reaching an unprecedented precision. Thanks to the increasing sizes of the data samples collected at LHCb, together with the developments on the theory side, it is possible...
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Elisa Fontanesi (CERN)27/08/2025, 11:20Triggers AI / ML
During the Run 3 LHC phase, the CMS trigger system has undergone significant advancements, enabling the exploration of new regions of phase space in fundamental physics. These improvements have been crucial in overcoming challenges such as the high-luminosity environment of the LHC and the effects of detector aging due to radiation damage. This talk will showcase performances and key physics...
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Miles Garcia (University of Delaware)27/08/2025, 11:20Neutrino Sector
The IceCube Neutrino Observatory has provided world-leading limits on sterile neutrino parameters by looking for a sterile signal caused by matter enhanced resonance in the Earth. IceCube can search for a matter-enhanced sterile neutrino signal using its large and high purity sample of upgoing muon neutrino tracks, with modern reconstruction techniques and a sophisticated systematics...
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Yang Zhang (Institute of High Energy Physics, Chinese Academy of Science)27/08/2025, 11:40Future Colliders
Precision measurements of Higgs, W, and Z bosons at future lepton colliders demand jet energy reconstruction with unprecedented accuracy. The particle flow (PFA) approach has proven to be highly effective in achieving the required jet energy resolution. CyberPFA is a novel particle flow algorithm specifically designed for the crystal bar electromagnetic
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calorimeter (ECAL) in the CEPC... -
Jaafar Chakrani (Lawrence Berkeley National Lab. (US))27/08/2025, 11:40Neutrino Sector
To control the systematic uncertainties in its neutrino oscillation analyses, the Deep Underground Neutrino Experiment (DUNE) incorporates a near detector complex, which notably comprises ND-LAr, a 150-ton liquid argon time projection chamber. It is designed as a 7-by-5 array of optically segmented modules equipped with a novel pixelated charge readout system and a high-coverage light...
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Zhewei Yin, Zhewei Yin (Northwestern University), Zhewei Yin27/08/2025, 11:40BSM Theory Developments
Recently it has been noticed that many familiar quantum field theories (QFTs) may minimize or maximize the amount of entanglement in a scattering process. Studying the quantum information (QI) properties of final states for on-shell scattering will help establish whether fundamental physics can be formulated in terms of QI principles. We first present a universal relation between final state...
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Jacob Henry Steenis (University of California Davis (US))27/08/2025, 11:40Dark Sectors at Colliders
The FORMOSA detector at the proposed Forward Physics Facility is a scintillator-based experiment designed to search for signatures of "millicharged particles" produced in the forward region of the LHC. This talk will cover the challenges and impressive sensitivity of the FORMOSA detector, expected to extend current limits by over an order of magnitude. A pathfinder experiment, the FORMOSA...
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Francesco Salamida27/08/2025, 11:40Multi-messenger Astrophysics
Multimessenger observations provide a powerful tool to explore the most energetic and extreme phenomena in the Universe. The Pierre Auger Observatory contributes to this effort through the detection of cosmic rays, photons, and neutrinos, using extensive air showers to identify the nature and origin of the primary particles. Among these messengers, ultra-high-energy photons play a privileged...
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Daniel Lewis (Centre National de la Recherche Scientifique (FR))27/08/2025, 11:40Electroweak Physics
Precision measurements of Drell-Yan processes (both on-shell and off-shell W and Z bosons) offer key input to improve on the understanding of QCD and the accuracy of PDFs. In addition, these measurements are deeply linked with the achievements in electroweak parameter precision tests (such as W boson mass measurement). This talk will summarize recent achievements from ATLAS on this topic.
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Vinaya Krishnan Nair (Universita & INFN Pisa (IT))27/08/2025, 11:40Triggers AI / ML
The CMS trigger system plays a critical role in selecting the most interesting events for physics analyses from the vast amount of data produced by proton-proton collisions at the LHC. With the start of Run 3, operating at a center-of-mass energy of 13.6 TeV and under increasing instantaneous luminosity conditions, significant upgrades and strategy refinements have been implemented in both the...
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Jonathan Kriewald (Jožef Stefan Institute)27/08/2025, 12:00Charged Lepton Flavor Violation
In order to facilitate a connection between the Lagrangian
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parameters of the Inverse Seesaw mechanism and low-energy data, we systematically develop new parametrisations of the Yukawa
couplings. Relying on these new parametrisations to explore the parameter space, we discuss the
complementary role of charged lepton flavour violation searches in dedicated facilities, as well as
in lepton... -
Isaac Telford Ehle (Centre National de la Recherche Scientifique (FR))27/08/2025, 12:00Electroweak Physics
This talk covers recent CMS results on multiboson production processes, including WZ and WW cross sections at 13.6 TeV and Run 2 measurements 13 TeV of ZZ+jets, WWss, and Wγ. These channels test the structure of the electroweak sector beyond inclusive measurements and probe new physics via anomalous gauge couplings and effective field theory.
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Kaito Sugizaki (University of Pennsylvania (US))27/08/2025, 12:00Triggers AI / ML
Search for physics beyond the Standard Model has been a long-standing subject at the LHC. The absence of such signatures indicates that new physics may elude standard triggers; conventional triggers at the ATLAS experiment are constructed by setting thresholds on variables such as the particle momentum, targeting event topologies exclusive to specific models. Anomaly detection, a form of...
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Peiran Li (University of Minnesota)27/08/2025, 12:00
We study the physics potentials of heavy QCD axions at 3/10 TeV muon colliders (MuC). These heavy QCD axions differ from typical ALPs as they solve the Strong CP puzzle, and their phenomenology is driven by the aGG couplings. Different realizations of heavy QCD axions have different implications, and we show comprehensively how muon colliders can uniquely probe them with a huge parameter space.
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Dr Rishi Babu (Michigan State University)27/08/2025, 12:00Multi-messenger Astrophysics
Ultra-High-Energy gamma-ray sources can be potentially classified as Galactic PeVatrons, that accelerate cosmic-rays up to PeV energies. These accelerated cosmic-rays can interact via hadronic processes with a nearby ambient molecular cloud, resulting in the production of gamma-rays and neutrinos. The Large High Altitude Air Shower Observatory (LHAASO) collaboration published a catalog of...
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Harisree Krishnamoorthy (Postdoc)27/08/2025, 12:00Neutrino Sector
The discovery of Neutrinoless double beta decay (0νββ) would provide unambiguous evidence for the Majorana nature of neutrinos, lepton number non-conservation and a measurement of the absolute neutrino mass scale. The Large Enriched Germanium Experiment for Neutrinoless ββ decay (LEGEND) is a phased search for 0νββ in the 76Ge isotope with enriched high-purity germanium (HPGe) detectors. The...
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Eliza Claire Howard (University of Chicago (US))27/08/2025, 12:00Future Colliders
A muon collider offers a means for reaching higher energies by combining the advantages of electron-positron and proton-proton colliders. Beam induced background (BIB), which results from muon decays in the beam, poses a significant challenge for detector design and readout. The pixel detector sits at the heart of the detector and is subjected to the largest rate of BIB. The bandwidth required...
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Isobel Ojalvo (Princeton University (US))27/08/2025, 12:20Triggers AI / ML
In the search for new physics, real-time detection of anomalous events is critical for maximizing the discovery potential at the LHC. CICADA (Calorimeter Image Convolutional Anomaly Detection Algorithm) is a novel CMS trigger algorithm operating at the 40 MHz collision rate. By leveraging unsupervised deep learning techniques, CICADA aims to enable physics-model-independent trigger decisions,...
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276. Constraining Galactic Cosmic Ray Models with a Multi-Messenger Analysis of the Diffuse EmissionAlisha Roberts (University of Wisconsin-Madison)27/08/2025, 12:20Multi-messenger Astrophysics
The origin of Galactic Cosmic Rays (GCRs) up to the PeV energy scales remains a significant question in astrophysics. As charged particles, GCRs are deflected by galactic magnetic fields, obscuring their sources. However, the interactions of GCRs with interstellar gas produce a diffuse flux of high-energy gamma rays and neutrinos. This talk will investigate the origins of GCRs by performing a...
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Prof. Yuekun Heng (Institute of High Energy Physics, Chinese Academy of Sciences)27/08/2025, 12:20Neutrino Sector
The measurement of neutrino mass represents a long-standing major scientific challenge, carrying profound significance for both particle physics and astrophysics. The energy spectra of β-decay or electron capture (EC) in radioactive nuclides can be employed to directly measure neutrino mass. Isotopes with low decay energy are particularly advantageous for enhancing the sensitivity of neutrino...
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Keping Xie (Michigan State University)27/08/2025, 12:20Future Colliders
Axion-like particles (ALPs) are well-motivated extensions of the Standard Model (SM) that appear in many new physics scenarios, with masses spanning a broad range. In this work, we systematically study the production and detection prospects of light ALPs at future lepton colliders, including electron-positron and multi-TeV muon colliders. At lepton colliders, light ALPs can be produced in...
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Christopher Hill (Fermilab (emeritus), UW-Madison)27/08/2025, 12:20BSM Theory Developments
The original top condensation theory of the 1990's deployed the renormalization group improved Nambu-Jona-Lasinio model, which lacked an internal wave-function. When close to critical coupling the NJL model breaks down. We then require a UV completion leading to an internal wave-function phi(r). phi(r), near criticality, expands and dilutes phi(0) which significantly modifies the predictions...
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Elisa Di Meco (INFN e Laboratori Nazionali di Frascati (IT))27/08/2025, 12:20Dark Sectors at Colliders
The PADME experiment at the Frascati National Laboratory of INFN has performed a
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search for the hypothetical X17 particle, by observing the product of the collisions
of the positron beam from the DAΦNE LINAC on a diamond fixed target.
The beam energy has been varied in the range
265–300 MeV, corresponding to values of √s between 16.4 and 17.5 MeV,
completely covering the the CoM... -
David Walter (Massachusetts Inst. of Technology (US))27/08/2025, 12:20
This talk presents the latest precision measurements of W and Z boson production and decay at CMS using data from Run 2 and Run 3. These include the most recent determinations of the W boson mass, the weak mixing angle, and W and Z cross sections. These results provide stringent constraints on Standard Model parameters and are sensitive probes for potential new physics.
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Austin Alan Baty (University of Illinois Chicago)27/08/2025, 14:00
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Giulia Casarosa, Giulia Casarosa27/08/2025, 14:00Quark Flavor
The Belle and Belle II experiments have collected a $1.6 ~\mathrm{ab}^{-1}$ sample of $e^+e^-$ collision data at centre-of-mass energies near the $\Upsilon(nS)$ resonances. These samples contain a large number of $e^+e^-\to c\bar{c}$ events that produce charmed mesons. We present measurements of charm-mixing parameters from flavour-tagged $D^0\to K^0_{\rm S}\pi^+\pi^-$ decays. Direct $C\!P$...
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Grace Cummings (Fermi National Accelerator Lab. (US))27/08/2025, 14:00Future Colliders
The LHC and the HL-LHC demand detectors that can withstand the hostile radiation and high occupancy environment of hadron colliders. On the surface, Higgs factory detectors are without challenges, but they merely are without these specific challenges – that does not make them easy to build. From the complex machine-detector interface to the varied role of muon systems, detectors at Higgs...
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Jahid Hossain (University of Nebraska-Lincoln)27/08/2025, 14:00Higgs Physics
An important aspect of the Higgs boson physics programme at the LHC is to determine all the properties of this particle, including its mass, which is a free parameter in the SM, its width, CP properties and polarization states of the decay products. This presentation will discuss the latest developments in measurements of the Higgs boson properties, with the data collected by the CMS experiment.
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Christophe Royon (The University of Kansas (US))27/08/2025, 14:00
An overview of QCD measurements with the CMS experiment will be presented, including status and prospects on the strong coupling constant, on soft, diffractive and exclusive processes examining events with large rapidity gaps, on event shape variables used to characterize the geometric structure of events with jets, on measurements of the Lund jet plane density in CMS providing insights into...
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Justin Anguiano (The University of Kansas (US))27/08/2025, 14:00Exotic Searches at Colliders
Searches for Supersymmetry with compressed scenarios
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Alisa Nozdrina (CCAPP OSU)27/08/2025, 14:00Neutrino Astrophysics
The Radio Neutrino Observatory in Greenland (RNO-G) is currently under construction near Summit Station atop the Greenland ice sheet. Its goal is to detect ultra-high-energy neutrinos (E > 100 PeV) by capturing short radio pulses—signatures of neutrino interactions with the ice. Once complete, the array will consist of 35 independent stations spread across ~50 km². Eight stations have already...
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Matteo Greco (Max Planck Society (DE))27/08/2025, 14:15Exotic Searches at Colliders
Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. Naturalness arguments favour supersymmetric partners of the gluons and third-generation quarks with masses light enough to be produced at the LHC. With increasing mass bounds on more classical MSSM scenarios other...
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Haijun Yang (Shanghai Jiao Tong University (CN))27/08/2025, 14:20Higgs Physics
This talk presents precise measurement of the CP properties of the Higgs boson using the full dataset collected in pp collisions at 13 TeV during Run 2 and at 13.6 TeV during Run 3 of the LHC. The measurements are performed in various Higgs boson production and decay modes, as well as their combinations. Observation of deviations between these measurements and Standard Model (SM) predictions...
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Giulio Mezzadri, Giulio Mezzadri (Universita e INFN, Ferrara (IT))27/08/2025, 14:20Hadron Physics
The strong and electromagnetic interactions are the two main decay mechanisms in charmonium decays.
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The relative phase between them is a basic parameter in understanding the decay dynamics, especially for precision measurements. In this talk, we present a direct measurement with resonance scan method. By introducing the EM amplitude from continuum decay, the interference between EM and strong... -
Baobiao Yue27/08/2025, 14:20Neutrino Astrophysics
The Pierre Auger Observatory plays a crucial role in detecting the most energetic particles in the Universe, including cosmic rays and neutrinos, to unravel their origins and contribute to multi-messenger astronomy. For the past two decades, during its Phase I, the Observatory has been actively searching for ultra-high-energy (UHE) neutrinos with energies above 0.1 EeV. These neutrinos can...
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Thorsten Wengler (CERN)27/08/2025, 14:20Instrumentation
The ATLAS experiment at CERN is constructing upgraded system for the "High Luminosity LHC", with collisions due to start in 2030. In order to deliver an order of magnitude more data than previous LHC runs, 14 TeV protons will collide with an instantaneous luminosity of up to 7.5 x 10e34 cm^-2s^-1, resulting in much higher pileup and data rates than the current experiment was designed to...
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Kartik Deepak Bhide (University of Freiburg (DE))27/08/2025, 14:30Top Physics
Relativistic heavy-ion collisions at the LHC generate intense electromagnetic fields, enabling a rich program of photon-induced processes in ultra-peripheral collisions (UPCs). This talk presents an overview of recent UPC measurements by the ATLAS Collaboration, spanning precision tests of quantum electrodynamics, probes of nuclear structure, and searches for physics beyond the Standard Model....
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Jesus Manuel Vizan Garcia (Universidad de Cantabria and CSIC (ES))27/08/2025, 14:30Exotic Searches at Colliders
Recent searches for SUSY particles with CMS with MET
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Matthew Bellis (Cornell University/Siena College (US))27/08/2025, 14:40Quark Flavor
Searches for processes in which baryon number is violated by 2, as would be observed in neutron-antineutron oscillation, have so far come up empty. Many of these searches involve first-generation quarks leaving open the possibility that these processes preferentially couple to initial or final states involving second- and third-generation quarks. We present the results of a search for $B^+\to...
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Giulia Manco (Pavia University and INFN (IT))27/08/2025, 14:40Searches & QCD with Jets
Production of multiple jets or vector bosons plus jets at the LHC offers the main, and unprecedented opportunity to study QCD at the high-energy regime. As precision advances, attention has been brought up to study further topics sensitive to understanding of QCD: different topological configurations between vector bosons and jets, the jet substructure information, and the heavy-flavor...
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Luke Martin Vaughan (Oklahoma State University (US))27/08/2025, 14:40Higgs Physics
Using 126 fb-1 of Run 2 data collected with the ATLAS detector, a measurement of the $b\bar b$ decay of the Standard Model Higgs boson produced through vector boson fusion yielded a signal strength corresponding to an observed (expected) significance of 2.6 (2.8) standard deviations from the background only hypothesis. This talk will focus on improving the previous measurement by utilizing new...
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Anureet Kaur Anureet Kaur (Panjab University, Chandigarh)27/08/2025, 14:40Instrumentation
The CMS muon system is undergoing substantial upgrades to meet the challenges of the High-Luminosity LHC (HL-LHC), including the installation of the new Muon Endcap 0 (ME0) detector. Large-scale production started in 2024. ME0 is a six-layer station designed to extend pseudo-rapidity coverage to |\eta| = 2.8 from the previous maximum of |\eta| = 2.4, enhancing sensitivity to forward physics...
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Bei Zhou (Fermilab)27/08/2025, 14:40Neutrino Astrophysics
Neutrino self-interactions beyond the standard model have profound implications in astrophysics and cosmology. In this work, we study an uncharted scenario in which one of the three neutrino species has a mass much smaller than the temperature of the cosmic neutrino background. This results in a relativistic component that significantly broadens the absorption feature on the astrophysical...
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Bobby McGovern (University of Pennsylvania (US))27/08/2025, 14:45Exotic Searches at Colliders
The direct production of electroweak SUSY particles, including sleptons, charginos, and neutralinos, is a particularly interesting area with connections to dark matter and the naturalness of the Higgs mass. The small production cross-sections and challenging experimental signatures, often involving compressed spectra, lead to difficult searches. This talk will highlight the most recent results...
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Jerome Jung (Goethe University Frankfurt (DE))27/08/2025, 14:50Heavy Ion Physics
Electromagnetic probes are an exceptional tool for studying the space-time evolution of the hot and dense matter created in ultra-relativistic heavy-ion collisions. Photons and $e^+e^-$ pairs (dielectrons) are produced at all stages of the collision with negligible final-state interactions, thereby retaining the information of their production and providing access to the thermal radiation...
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Alberto Zucchetta (Universita e INFN, Padova (IT))27/08/2025, 15:00Higgs Physics
Constraints on Higgs light Yukawa couplings
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Léonard POLAT27/08/2025, 15:00Low energy precision physics, g-2 ...
We present a new precise measurement of the ratio of the $e^+e^- \to \pi^+\pi^-(\gamma)$ and $e^+e^- \to \mu^+\mu^-(\gamma)$ cross sections, using the initial-state radiation method. The analysis is based on the entire $BABAR$ data set, corresponding to 469 fb$^{-1}$, recorded at and near the $\Upsilon(4{\mathrm{S}})$ resonance.
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The presented analysis does not rely on particle... -
EMRE YILDIZCI (University of Wisconsin-Madison)27/08/2025, 15:00Neutrino Astrophysics
While IceCube's current dataset has established an astrophysical neutrino flux up to ∼10 PeV, many theoretical models predict continued emission into the ultra-high-energy (UHE) regime—PeV to EeV—that would directly trace the sources of the highest-energy cosmic rays. To extend sensitivity beyond 10 PeV and complement the recent UHE neutrino candidate reported by KM3NeT, we combine...
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Fares Djama (CNRS/IN2P3 CPPM - Aix-Marseille Univ.)27/08/2025, 15:00Searches & QCD with Jets
Despite the success of perturbative QCD predictions at the high-energy regime, QCD itself remains mysterious at its nominal scale (QCD scale). The LHC offers rich opportunities to probe the core of QCD related questions, by studying minibias events, double parton interactions, small-x and diffractive processes, as well as correlations in hadronization processes. This talk will summarize recent...
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Dr Kairui Zhang (University of Oklahoma)27/08/2025, 15:00
Weak scale supersymmetry (SUSY) is highly motivated in that it provides a natural solution to the gauge hierarchy problem. However, recent strong limits from superparticle searches at LHC Run 2 may exacerbate a so-called Little Hierarchy problem (LHP): why is m_{weak}<< m_{soft}?
We review recent LHC search bounds as well as their impact on a variety of proposed SUSY models. We address the...
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Patrycja Anna Potepa (AGH University of Krakow (PL))27/08/2025, 15:10Top Physics
Top-quark pair production in heavy-ion collisions provides a unique opportunity to probe nuclear parton distribution functions and study the time evolution of strongly interacting matter, including the quark-gluon plasma. This work presents the observation and measurement of top-quark pair production in both proton-lead (p+Pb) and lead-lead (Pb+Pb) collisions using the ATLAS experiment at the...
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Katherine Freese, Katherine Freese27/08/2025, 16:00
The synergy between cosmology and particle physics is remarkable, and I will discuss some of the more interesting recent results. First, regarding DESI claims of time-varying dark energy: I will report on my recent paper that obtains the dark energy density directly from DESI data and finds only 1.5 sigma discrepancy from LCDM; we argue that the w0/wa parametrization is a poor choice in...
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Walter Winter27/08/2025, 16:30
Multi-messenger astrophysics combines the information from multiple messengers from the Universe, such as electromagnetic radiation (across wide energy ranges), cosmic rays, neutrinos and gravitational waves. I will briefly introduce the messengers, and then focus on several examples for the multi-messenger connection. One example is the transport of Ultra-High-Energy Cosmic Rays (UHECRs) and...
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Aya Ishihara (ICEHAP, Chiba University)27/08/2025, 17:00Neutrino Astrophysics
High-energy neutrino astronomy began in the 1970s with the concept of water Cherenkov detectors, envisioning instrumented cubic-kilometer volumes. This vision was first realized with an ice Cherenkov detector: IceCube. IceCube utilizes the glacial ice at the South Pole as a Cherenkov medium, employing an array of photon sensors to measure the distribution of Cherenkov light and thereby...
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Matthias Neubert, Matthias Neubert (Johannes Gutenberg Universitat Mainz), Matthias Neubert (Johannes Gutenberg University Mainz), Matthias Neubert (Unknown)28/08/2025, 09:00
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Amandeep Kaur (Rutgers State Univ. of New Jersey (US))28/08/2025, 09:30
Common ATLAS and CMS presentation
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Saptaparna Bhattacharya (Southern Methodist University (US))28/08/2025, 10:00
20m presentation + 10m discussion
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David Walter (Massachusetts Inst. of Technology (US))28/08/2025, 11:00Computing AI / ML
The High-Luminosity LHC era will deliver unprecedented data volumes, enabling measurements on fine-grained multidimensional histograms containing millions of bins with thousands of events each. Achieving ultimate precision requires modeling thousands of systematic uncertainty sources, creating computational challenges for likelihood minimization and parameter extraction. Fast minimization is...
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Juergen Reuter (DESY Hamburg, Germany)28/08/2025, 11:00Electroweak Physics
Applying electroweak factorization for the quantum field theory of the Standard Model at its highest energies (when it is in its unbroken phase) speeds up calculations considerably for EW vector-boson fusion (VBF) processes which constitute the bulk of the cross section at parton collisions beyond a TeV. Furthermore, this formalism is very important for the conceptual understanding of the EW...
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Gregory Pawloski (University of Minnesota)28/08/2025, 11:00Neutrino Sector
The NOvA experiment is a long-baseline accelerator neutrino experiment designed to study neutrino oscillations and interactions with high precision. Utilizing an intense beam of muon neutrinos and antineutrinos produced at Fermilab, NOvA employs two functionally identical detectors: a Near Detector (ND) located close to the beam source and a Far Detector (FD) situated 810 kilometers away in...
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Sarah Eno (University of Maryland (US))28/08/2025, 11:00Future Colliders
The Future Circular Collider (FCC) is a visionary international endeavor aimed at pushing the frontiers of particle physics beyond the capabilities of the LHC. This talk provides an overview of the FCC program, including its scientific goals, technological challenges, and implementation strategy. From precision studies of the Higgs boson to the exploration of new physics at unprecedented...
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Ganesh Parida (University of Wisconsin Madison (US))28/08/2025, 11:00Heavy BSM Searches at Colliders
This talk presents a search for beyond-the-standard-model heavy resonances decaying into Higgs boson pairs in the bbtautau final state, using the full Run 2 dataset collected by the CMS experiment, corresponding to 138 fb^-1 of proton-proton collisions at a center of mass energy of 13 TeV. The analysis targets events where one tau lepton decays hadronically and the other either hadronically or...
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Zhiyuan Huang (Johns Hopkins University (US))28/08/2025, 11:00Hadron Physics
The traditional quark model accounts for the existence of baryons, like protons and neutrons, which consist of three quarks, as well as mesons, composed of a quark and antiquark pair. Only recently has substantial evidence started to accumulate for exotic states composed of four or five quarks or antiquarks. In this study, the CMS Collaboration investigates the recently discovered family of...
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Daniele Vivolo28/08/2025, 11:00Neutrino Astrophysics
KM3NeT is a next-generation neutrino observatory under construction in the Mediterranean Sea, designed to explore fundamental questions in neutrino physics and astrophysics. It consists of two deep-sea Cherenkov detectors: ARCA, located off Sicily and optimized for high-energy cosmic neutrinos (TeV–PeV), and ORCA, near the French coast, designed for atmospheric neutrinos (2–100 GeV) and...
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Rhitaja Sengupta (BCTP and Physikalisches Institut der Universität Bonn, Germany)28/08/2025, 11:20Future Colliders
The electron-positron stage of the Future Circular Collider (FCC-ee) is a precision frontier factory for Higgs, electroweak, flavour, top quark, and QCD physics. It is designed to operate in a 91-km circular tunnel built at CERN, and will serve as the first step towards O(100 TeV) proton-proton collisions. In addition to an essential Higgs program, the FCC-ee offers unique and powerful...
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Peiran Li (University of Minnesota)28/08/2025, 11:20Electroweak Physics
We investigate the $W$ boson's exotic decay channel, $W \rightarrow \ell\ell\ell \nu$, at the LHC. Although the four-body final states suppress the decay branching ratio, the large production of $W$ bosons makes detecting and precisely measuring this decay probability entirely feasible. Our simulation study indicates that this tiny branching ratio can be measured with sub-percent precision at...
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Jonah Evan Blank (Technical University Dortmund)28/08/2025, 11:20Computing AI / ML
We present a new algorithm for tagging the production flavour of neutral 𝐵0 and 𝐵0𝑠 mesons in proton-proton collisions. It is based on a deep neural network, DeepSets, and exploits a comprehensive set of tracks associated with the hadronization process. The algorithm is calibrated on data collected by the LHCb experiment at a centre-of-mass energy of 13TeV. This inclusive approach enhances the...
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Jaafar Chakrani (Lawrence Berkeley National Lab. (US))28/08/2025, 11:20Neutrino Sector
T2K is a long-baseline neutrino oscillation experiment, measuring the oscillation of neutrinos and antineutrinos produced at J-PARC facility which then travel 295 km across Japan to its far detector, SuperKamiokande. T2K has been taking data since 2009 and sets world-leading constraints on many neutrino oscillation parameters within the standard PMNS three-flavour mixing paradigm, including...
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Liza Brost (Brookhaven National Laboratory (US))28/08/2025, 11:20Heavy BSM Searches at Colliders
Though the Standard Model (SM) of particle physics has been a very successful theory in explaining a wide range of measurements, there are still many questions left unanswered such as incorporation of gravity into SM, neutrino masses, matter-antimatter asymmetry, supersymmetry, or existence of dark matter candidates. One of the possible solutions to address these challenges is the extension of...
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Tianlu Yuan (University of Wisconsin Madison)28/08/2025, 11:20Neutrino Astrophysics
In 2023, the IceCube Neutrino Observatory reported on the strong evidence of neutrinos from the galactic plane at a significance of 4.5 sigma. Since then, additional years of data, along with improvements in ice modeling, calibration and reconstruction have allowed for an updated selection of contained and partially contained cascades, which are signatures arising from neutrino-induced in-ice...
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Tianzi Song (Sun Yat-Sen University (CN))28/08/2025, 11:20Hadron Physics
The BESIII experiment has collected 2.6 billion $\psi(3686)$ events, 10 billion $J/\psi$ events, 20 $fb^{-1}$ of D meson pairs at 3.773 GeV, and 7.33 $fb^{-1}$ of $D_sD_s^*$ events from 4.128 to 4.226 GeV. These huge data samples allow us to search for rare processes in charm hadron decays.
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In this talk, we report the search of the FCNC decays $J/\psi \to D^0 \mu^+ \mu^-$ and $D_s^+ \to... -
Dr Hyon-San Seo (University of Rochester)28/08/2025, 11:40Electroweak Physics
Presented by Hyon-San Seo
Recently, the CMS collaboration published measurements of the forward-backward asymmetry (angular coefficient $A_4(M)$)) in Drell–Yan dilepton production in proton-proton collisions at $\sqrt{s}=$ 13 TeV, and $\sin^2 \theta_{eff}$ was extracted from $A_4$ using a several parton distribution functions (PDFs). The PDF errors, as well as the differences between...
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Arya Aikot (Univ. of Valencia and CSIC (ES))28/08/2025, 11:40Exotic Searches at Colliders
Many well-motivated extensions of the Standard Model predict light (pseudo)scalars, referred to as 𝑎 bosons, that couple to the 125 GeV Higgs boson, enabling new exotic decay modes. This study presents a search for Higgs boson decays into a pair of such particles, $H\rightarrow bb$, where one 𝑎-boson decays into a photon pair and the other into a $\tau$-lepton pair, performed for the first...
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Leo Seen (University of Wisconsin - Madison)28/08/2025, 11:40Neutrino Astrophysics
Galactic PeVatrons - the accelerators of PeV cosmic rays - remain unidentified. Observations by LHAASO, HAWC and HESS of >100 TeV γ-ray emission have revealed promising candidates, but γ-rays alone can't distinguish hadronic from leptonic processes. We report a search for neutrino counterparts to the extended Cygnus Cocoon region and to PeVatron candidates using ICEMAN, the 12.3-year IceCube...
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Garrett Merz (UWisconsin-Madison)28/08/2025, 11:40Computing AI / ML
We extend the re-simulation-based self-supervised learning approach to learning representations of hadronic jets in colliders by exploiting the Markov property of the standard simulation chain. Instead of masking, cropping, or other forms of data augmentation, this approach simulates pairs of events where the initial portion of the simulation is shared, but the subsequent stages of the...
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Stefan Wallner (MPP (Munich))28/08/2025, 11:40Hadron Physics
While the excitation spectrum of light mesons, which are composed of up and down quarks, is already mapped out fairly well, the spectrum of strange mesons is still to be mapped out in detail, potentially holding many surprise.
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At the COMPASS experiment at CERN, we study the strange-meson spectrum in the diffractive scattering of a high-energy kaon beam.
In this talk we will focus on the... -
Georgios Fanourakis (Nat. Cent. for Sci. Res. Demokritos (GR))28/08/2025, 11:40Neutrino Sector
ESSnuSB is a design study for a long-baseline neutrino experiment to precisely measure the CP violation in the leptonic sector, at the second neutrino oscillation maximum, using a beam driven by the uniquely powerful ESS linear accelerator. The ESSnuSBplus design study programme, which is an extension phase of the ESSnuSB project, aims in designing two new facilities, a Low Energy nuSTORM and...
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gregorio bernardi (LPNHE University of Paris 6 & 7)28/08/2025, 11:40Future Colliders
The Future Circular Collider in hadron-hadron mode (FCC-hh) represents the next major step in energy-frontier particle physics, targeting proton-proton collisions at a center-of-mass energy of 85 TeV. Building on the legacy of the LHC, FCC-hh would enable a vast extension of the discovery and precision frontier, offering an unparalleled opportunity to deepen our understanding of the...
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Ethan James Meszaros (Université de Montréal (CA))28/08/2025, 12:00Computing AI / ML
The search for resonant mass bumps in invariant-mass histograms is a fundamental approach for uncovering Beyond the Standard Model (BSM) physics at the LHC. Traditional, model-dependent analyses that utilize this technique, such as those conducted using data from the ATLAS detector, often require substantial resources, which prevent many final states from being explored. Modern machine...
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Karri Folan Di Petrillo (University of Chicago)28/08/2025, 12:00Future Colliders
Detector Challenges at a Muon Collider
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Christoph Paus (Massachusetts Inst. of Technology (US))28/08/2025, 12:00Electroweak Physics
The FCC-ee program uniquely combines ultra–clean experimental conditions with precise center-of-mass energy calibration—from the Z pole through the top-quark pair threshold—and extraordinarily large event samples of Z and WW bosons. This combination unlocks both direct and indirect probes of physics beyond the standard model through:
- High-precision electroweak measurements in neutral...
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Liming Zhang (Tsinghua University (CHINA))28/08/2025, 12:00Hadron Physics
Thanks to the exellent detector performance and the unprecedented yield of all sorts of heavy flavour hadrons, LHCb have discovered a plethora of new hadronic states, many of which cannot fall into the conventional picture of quark model. This talk will report on the latest highlights of exotic states at LHCb, including pentaquark and tetraquark candidates.
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Muhammad Ahmad (Texas A & M University (US))28/08/2025, 12:00Heavy BSM Searches at Colliders
HH and Scalar+H resonant searches and their combination at CMS
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Dr Victoria Parrish (Michigan State University)28/08/2025, 12:00Neutrino Astrophysics
The Pacific Ocean Neutrino Experiment will be located in the Cascadia Basin off the coast of Victoria, BC. This new experiment is a water-based Cherenkov neutrino telescope that will be rolled out in 3 stages to ultimately cover a cubic kilometer of deep-ocean water. The goal of this experiment is to capture ultra-high-energy astrophysical neutrinos and identify and collect data of...
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Federico Ronchetti (EPFL - Ecole Polytechnique Federale Lausanne (CH))28/08/2025, 12:00Neutrino Sector
SND@LHC is a recent, stand-alone experiment operating at the LHC to perform neutrino measurements. It is located 480m from IP1 in the TI18 tunnel, spanning the unexplored forward region 7.2<𝜂<8.6. Its hybrid detector is composed of 800kg tungsten target-plates, interleaved with emulsion and electronic trackers, followed by a calorimeter and a muon system. This allows to identify all three...
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Abhishikth Mallampalli (University of Wisconsin Madison (US))28/08/2025, 12:20Computing AI / ML
We present a Retrieval-Augmented Generation (RAG) system designed to assist particle physics analysts by enabling efficient querying of information from a collection of technical documents. The system can process and extract relevant content from PDF files, provide accurate answers to user queries, and include direct reference links to the original sources. We demonstrate the capabilities of...
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Devin Michael Aebi (Texas A & M University (US))28/08/2025, 12:20Heavy BSM Searches at Colliders
HH and Scalar+H resonant searches at the HL-LHC based on projections in the CMS HH/HY review paper and the ESU document
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Angira Rastogi (Lawrence Berkeley National Lab. (US))28/08/2025, 12:20Future Colliders
The muon collider stands out as a compelling option for future high-energy physics experiments, combining unique physics potential with significant technical challenges. One of the most critical issues is the intense beam-induced background (BIB) from muon decays, which produces low-momentum particles that lead to high detector occupancies, complicating vertexing, tracking, and overwhelming...
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Pavel Zhelnin28/08/2025, 12:20Neutrino Astrophysics
The detection of high-energy astrophysical neutrinos remains challenging due to overwhelming atmospheric backgrounds obscuring potential cosmic signals. The Tau Air-shower Mountain-Based Observatory (TAMBO) is a purpose-designed neutrino telescope that achieves unprecedented signal-to-background discrimination in the 1-1000 PeV energy range. Leveraging its unique deep valley geometry, TAMBO...
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Wonyong Chung (Princeton University (US))28/08/2025, 12:20Neutrino Sector
The PTOLEMY collaboration's ultimate goal is the first direct observation of the Cosmic Neutrino Background (CNB). As an essential milestone, we present the status and physics reach of the PTOLEMY-LNGS demonstrator now under construction at the Gran Sasso. The experiment utilizes a solid-state atomic tritium target, CRES-based background reduction, a new type of compact and scalable EM...
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Pawan Giri28/08/2025, 14:00Neutrino Astrophysics
The Askaryan Radio Array (ARA) is a neutrino experiment at the South Pole, designed to detect radio-frequency emissions produced by interactions of ultra-high energy (UHE) neutrinos with the Antarctic ice. The array consists of five autonomous stations, each equipped with deep in-ice antennas sensitive to both vertically and horizontally polarized radio signals. With nearly 30 station-years...
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Pritam Palit (Carnegie-Mellon University (US))28/08/2025, 14:00Searches & QCD with Jets
Tau leptons play a crucial role in studying electroweak processes, both in the Standard Model of particle physics and in searches for new physics. Accurate reconstruction and identification of tau leptons are essential in a high energy physics experiment. This talk presents DeepTau, the tau identification algorithm based on convolutional neural network (CNN), designed to reduce the...
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Yoav Afik (University of Chicago (US))28/08/2025, 14:00Top Physics
The exceptionally large dataset collected by the ATLAS detector at the highest proton-proton collision energies provided by the LHC enables precision testing of theoretical predictions using an extensive sample of top quark events. This wealth of data has opened the door to new measurements of top quark properties including those particularly sensitive to the ttbar threshold region, such as...
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Aleena Rafique (Argonne National Laboratory)28/08/2025, 14:00Computing AI / ML
The Deep Underground Neutrino Experiment (DUNE) is a long-baseline neutrino experiment aimed at addressing fundamental questions such as the matter-antimatter asymmetry in the universe. Currently, DUNE relies on multiple platforms to store internal documentation, including DocDB, Indico (hosted by Fermilab), and EDMS (hosted by CERN). Retrieving relevant historical information—especially from...
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Leonardo Palombini (INFN-Padova, Italy)28/08/2025, 14:00Higgs Physics
This contribution discusses the physics potential of a future muon collider operating at a center-of-mass energy of $\sqrt{s}$ = 10 TeV for precision studies in the Higgs sector. Using a detailed detector simulation that incorporates the dominant sources of machine-induced background, the expected sensitivity to key Higgs processes is evaluated. These include the measurement of production...
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Tom Dingley (University of Oxford (GB))28/08/2025, 14:00Dark Sectors at Colliders
The Standard Model of particle physics, while remarkably successful in describing most phenomena related to the fundamental interactions and particles, notably lacks a mechanism to account for dark matter, prompting a wealth of beyond the Standard Model (BSM) theories that propose various candidates and interactions. One such theory is the dark Higgs boson model. This model introduces three...
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Livia Soffi (INFN Roma I (IT))28/08/2025, 14:00
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Jacopo Pazzini (Università e INFN, Padova (IT))28/08/2025, 14:16Searches & QCD with Jets
Signatures of new physics at the LHC are varied and by nature often very different from those of Standard Model processes. Novel experimental techniques, including dedicated datastreams are exploited to boost the sensitivity of the CMS Experiment to search for such signatures. In this talk we highlight the most recent CMS results, obtained using the data collected at the LHC Run-II through the...
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Ang Li (Brookhaven National Laboratory (US))28/08/2025, 14:20Future Colliders
The FCC-ee programme is uniquely positioned to provide unprecedented precision on the fundamental properties of the Higgs boson. At the center-of-mass energies 240 and 365 GeV, the FCC-ee will produce millions of Higgs bosons via Higgs-strahlung and vector boson fusion. The clean experimental environment allows a model-independent measurement of the absolute ZH cross-section to better than...
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Mr Santosh Bhandari (Purdue University (US))28/08/2025, 14:20Top Physics
Effective Field Theory (EFT) provides a universal framework for probing beyond the Standard Model physics at LHC scales. Recent advances in analysis techniques and increased dataset complexity have significantly enhanced the sensitivity of EFT studies, allowing for the exploration of previously untested couplings, including CP violation and the SM flavor structure. This talk will present the...
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Etienne Dreyer (Weizmann Institute of Science (IL)), Francesco Armando Di Bello (INFN e Universita Genova (IT)), Nilotpal Kakati (Weizmann Institute of Science (IL))28/08/2025, 14:20Computing AI / ML
Particle flow reconstruction algorithms are fundamental for physics analysis at collider experiments. Improving these algorithms with deep learning presents a unique chance to enhance experimental sensitivity at the LHC and future facilities. This talk presents HGPflow, a deep learning method using hypergraphs that offers a physics-motivated framework for the energy assignment task in particle...
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Benjamin Sterling Lunday28/08/2025, 14:20Searches & QCD with Jets
The precision and reach of physics analyses at the LHC is often tied to the performance of hadronic object reconstruction & calibration, with any incremental gains in understanding & reduced uncertainties being impactful on ATLAS results. Recent refinements to the reconstruction and calibration procedures for jets & missing energy by the ATLAS collaboration has resulted in reduced...
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Lu Lu (University of Wisconsin-Madison)28/08/2025, 14:20Neutrino Astrophysics
Over the past decade, neutrino astronomy has evolved into a precision tool for probing the high-energy universe. Here we present an updated characterization of the extragalactic diffuse neutrino flux measured by the IceCube Neutrino Observatory, spanning energies from a few TeV to beyond 10 PeV. Using ten years of full-sky data, we identify the first Glashow-resonance candidate — an electron...
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Anureet Kaur Anureet Kaur (Panjab University, Chandigarh)28/08/2025, 14:25Exotic Searches at Colliders
Many new physics models, such as the Sequential Standard Model, Grand Unified Theories, models of extra dimensions, or models with eg. leptoquarks or vector-like leptons, predict heavy mediators at the TeV energy scale. We present recent results of such searches in leptonic final states obtained using data recorded by the CMS experiment during Run-II of the LHC.
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Ki Ryeong Park (Columbia University (US))28/08/2025, 14:32Dark Sectors at Colliders
A search is presented for hadronic signatures of beyond the Standard Model (BSM) physics, with an emphasis on signatures of a strongly-coupled hidden dark sector accessed via resonant production of a Z' mediator using 140/fb of Run 2 pp collision data at 13 TeV. The Z' mediator is considered to decay to two dark quarks, which each hadronize and decay to showers containing both dark and...
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Rui Zhang (Nanjing University (CN))28/08/2025, 14:40Top Physics
Many-parameter fits to precise measurements in the framework of the Standard Model Effective Field Theory are becoming a standard interpretation of LHC and other collider data. In this contribution an overview is given of state-of-the-art EFT interpretations in ATLAS with particular emphasis on results in the top quark sector.
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Leonardo Toffolin (Universita e INFN Trieste (IT))28/08/2025, 14:40Searches & QCD with Jets
Hadronic object reconstruction & classification is one of the most promising settings for cutting-edge machine learning and artificial intelligence algorithms at the LHC. In this contribution, highlights of ML/AI applications by ATLAS to QCD and boosted-object identification, MET reconstruction and other tasks will be presented.
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Grace Cummings (Fermi National Accelerator Lab. (US)), Dr Innes Bigaran (Fermilab and Northwestern University)28/08/2025, 14:40
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Mingjun Chen28/08/2025, 14:40Neutrino Astrophysics
In 2021, LHAASO observed a large number of cosmic ray candidates in the Milky Way. We proposed to build a huge telescope with at least 30 times the sensitive volume of the IceCube detector, so as to observe the LHAAASO sources. In order to realize this project, we innovatively put forward a photosensitive detector unit based on a photomultiplier tube with a maximum photosensitive area of 20...
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Jack Harrison (Institut de Física d’Altes Energies (IFAE))28/08/2025, 14:40Exotic Searches at Colliders
The Standard Model of Particle Physics explains many natural phenomena yet remains incomplete. Many new physics models (such as leptoquarks, W'/Z', or heavy neutral leptons) could manifest in final states involving multiple leptons. This talk will summarise the latest results from ATLAS in searches involving final states with leptons.
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Wonyong Chung (Princeton University (US))28/08/2025, 14:40Computing AI / ML
Reconstructing low-dimensional truth labels from high-dimensional detector data is a central challenge in any experiment that relies on robust mappings across this so-called domain gap, from multi-particle final states in high-energy physics to large-scale early-universe structure in cosmological surveys. We introduce a new method to bridge this domain gap with an intermediate, synthetic...
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Abhishikth Mallampalli (University of Wisconsin Madison (US))28/08/2025, 14:48Dark Sectors at Colliders
Determination of the nature of dark matter is one of the most fundamental problems of particle physics and cosmology. This talk presents recent searches for dark matter particles from the CMS experiment at the Large Hadron Collider in mono-X signatures. This talk will discuss the first search using the low-multiplicity jet signature at the LHC and supervised machine learning and data...
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Yu-Ming Liu28/08/2025, 14:55OTHER
Grand Unified Theories (GUTs) viewed as the extension of Standard Model (SM) are proposed and unify the strong, weak, and electromagnetic interactions at the order of $10^{15}$-$10^{16}$ GeV which is unreachable by accelerators. Since the three interactions are described by a single coupling constant in the GUTs, the violation of baryon number is allowed, and rare processes such as proton...
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Ricardo Escobar Franco (University of Illinois Chicago (US))28/08/2025, 15:00Top Physics
The study of rare top quark production modes opens the gate to a number of new physics models that introduce large contributions to them. As an example, the production of four top quarks could be affected by the direct or indirect production of top-philic heavy resonances or be modified by anomalous Yukawa interactions between the top quark and the Higgs boson. A set of measurements is...
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Wasikul Islam (University of Wisconsin-Madison (US))28/08/2025, 15:00Computing AI / ML
This work presents advancements in model-agnostic searches for new physics at the Large Hadron Collider (LHC) through the application of event-based anomaly detection techniques utilizing unsupervised machine learning. We discuss the advantages of Anomaly detection approach, as demonstrated in a recent ATLAS analysis, and introduce ADFilter, a web-based tool designed to process collision...
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Emily Simon28/08/2025, 15:00Neutrino Astrophysics
Neutrinos provide unambiguous evidence of cosmic-ray (CR) acceleration in supernova remnants (SNRs), as they are produced exclusively in hadronic interactions. Detecting neutrinos from a SNR would offer direct confirmation of CR proton interactions and energy distributions. In this work, we conduct a comprehensive survey of Galactic SNRs to identify the most promising hadronic candidates. For...
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SHIVANI LOMTE28/08/2025, 15:04Dark Sectors at Colliders
Searches for particles that account for the Dark Matter in the Universe, which interact only through their couplings with the Higgs sector of the theory, the so-called Higgs-portal models, will be discussed. The analysis is performed using singly produced b-jet pairs, consistent with Higgs mass, recoiling from missing transverse momentum.
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Vaia Papadimitriou, Dr Vaia Papadimitriou (Fermi National Accelerator Lab. (US))28/08/2025, 15:50
I am presenting the recent status of CKM element measurements and of CP violation searches in meson studies of the Beauty and Charm sectors and in the Top sector. The results are from the ATLAS, CMS and LHCb experiments of the LHC. Prospects for the years ahead will be also discussed.
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Alexander Leon Gilman (University of Cincinnati (US))28/08/2025, 16:20
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Guglielmo De Nardo, Guglielmo De Nardo (University Federico II and INFN, Naples (IT))28/08/2025, 16:50
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Mariel Pettee (Lawrence Berkeley National Lab. (US))28/08/2025, 17:20Computing AI / ML
Some of the most exciting fundamental physics discoveries in recent years emerged thanks to large-scale experimental collaborations that radically differed from conventional scientific practices a century ago. The recent success of large-scale AI models trained on highly diverse data sources begs the question: could our scientific conventions yet again be restricting our access to major...
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Olivia Bitter28/08/2025, 18:00Neutrino Sector
While neutrino oscillations provide a well motivated probe for CP violation, non-trivial matter effects and our inability to build experiments in an anti-Earth limits our studies to improper tests of its effects. These limitations in turn motivate (from CPT theorem) time invariance studies, as under certain matter potential profiles, proper time invariance and improper time invariance are the...
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NIDHI KANDATHPATINHARUVEETIL28/08/2025, 18:00Cosmology
We study topological aspects of particle production using Stokes phenomenon. An explicit map between the standard $\beta$-coefficient computation, and Stokes constants from the perspective of the F-matrix formalism is presented. In scenarios where the particle dispersion relation reduces, in the long wavelength limit $(k\rightarrow 0)$, to the form $z^n$ $(n \in \mathbb{Z}_{>0})$ in...
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Cheng Hsu Nee (University of Wisconsin Madison (US))28/08/2025, 18:05
This poster presents simulation studies aimed at optimizing the design of the graphite target and capture system for the Muon Collider demonstrator, potentially at Fermilab. Using the G4Beamline simulation framework, we model proton interactions with a graphite target to analyze charged pion production and capture along the target axis, categorizing production mechanisms (primary, secondary,...
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Shoukat Ali (University of Kansas)28/08/2025, 18:05Neutrino Astrophysics
Experiments designed to detect ultra-high energy (UHE) neutrinos using radio techniques are also capable of detecting the radio signals from cosmic-ray (CR) induced air showers. These CR signals are important both as a background and as a tool for calibrating the detector. The Askaryan Radio Array (ARA), a radio detector array, is designed to detect ultra-high-energy (UHE) neutrinos. The array...
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Alkaid Cheng (University of Wisconsin Madison (US))28/08/2025, 18:10Computing AI / ML
Weakly-supervised anomaly detection methods offer a powerful approach for discovering new physics by comparing data to a background-only reference. However, the sensitivity of existing strategies can be significantly limited by rare signals or high-dimensional, noisy feature spaces. We present Prior-Assisted Weak Supervision (PAWS), a novel machine-learning technique that significantly boosts...
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Sarah Choate (University of Iowa)28/08/2025, 18:10Neutrino Sector
The NuMI Off-Axis $\nu_e$ Appearance (NOvA) Experiment is a long baseline neutrino experiment consisting of two detectors, a Near Detector (ND) at Fermilab in Batavia, IL, and a Far Detector (FD) in Ash River, MN. The ND observes the unoscillated neutrino beam while the FD is able to observe neutrinos which have oscillated. Because the ND does not observe oscillated neutrinos, it works in...
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Ruaa Al-Harthy (University of Wisconsin Madison (US))28/08/2025, 18:15Accelerator Technology
This study investigates the optimization of pion and muon yields from an 8GeV proton beam incident on a graphite target, as part of a design effort for a muon collider demonstrator. The primary objective is to determine the optimal geometric configuration between the target and a solenoidal capture channel to maximize secondary particle production while mitigating potential damage from...
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Leonardo Toffolin (Universita e INFN Trieste (IT))28/08/2025, 18:15Instrumentation
The ATLAS experiment in the LHC Run 3 uses a two-level trigger system to select events of interest to reduce the 40 MHz bunch crossing rate to a recorded rate of up to 3 kHz of fully-built physics events. The trigger system is composed of a hardware based Level-1 trigger and a software based High Level Trigger. The selection of events by the High Level Trigger is based on a wide variety of...
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Carrie Davis28/08/2025, 18:20Neutrino Sector
T2K is a long-baseline experiment measuring neutrino and antineutrino oscillations by observing the disappearance of muon neutrinos, as well as the appearance of electron neutrinos, over a long 295km distance. The ND280 near detector at J-PARC plays a crucial role to minimise the systematic uncertainties related to the neutrino flux and neutrino-nucleus cross-sections as it measures the...
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Michelle Jean Dolinski (Drexel University (US))28/08/2025, 18:20Neutrino Sector
The search for neutrinoless double beta decay presents one of the most compelling experimental pathways for the discovery of lepton number violation and, more broadly, new physics beyond the Standard Model. Xe-136, with its relatively high isotopic abundance, ease of enrichment, and favorable Q-value, is one of the strongest candidates for the discovery of neutrinoless double beta decay,...
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Ritam Kundu (Institute of Physics, Bhubaneswar)28/08/2025, 18:25Neutrino Sector
A meticulous and high-fidelity determination of the atmospheric oscillation parameters, $\Delta m^2_{31}$ and $\theta_{23}$, emerges as an indispensable prerequisite for an accurate characterization of terrestrial matter effect in long-baseline neutrino experiments that is intrinsically entwined with the resolution of the neutrino mass ordering conundrum and a robust determination of the...
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Yipin Wang (Peking University (CN))28/08/2025, 18:25Exotic Searches at Colliders
A search for pairs of light neutral bosons (a) resulting from the decay of a Higgs boson is performed. The a bosons have a mass in the range of 10 to 100 MeV and decay into an electron-positron pair. The search is conducted using proton-proton collision data at sqrt(s) = 13 TeV, corresponding to an integrated luminosity of 138 fb^-1. Due to the low mass of the a bosons, their decay products...
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Yuki Sue (KEK High Energy Accelerator Research Organization (JP))28/08/2025, 18:30Instrumentation
The Level-1 muon endcap trigger in the ATLAS experiment utilises signals from the Thin Gap Chambers (TGCs) located in the outer muon stations. A significant challenge for this system has been the high background rate caused by particles not originating at the interaction point, which increased the Level-1 trigger rate. To address this issue, the New Small Wheel (NSW) detectors, installed at...
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Cyrus Kianian (University of Wisconsin Madison (US))28/08/2025, 18:30Future Colliders
The 10 TeV MAIA detector concept represents the frontier of future muon colliders. With the potential to perform precision measurements of Standard Model processes and to explore rare phenomena at unprecedented energies, MAIA provides a unique opportunity to high-energy physicists that has previously been unattainable. Our study aims to improve the TauFinder reconstruction algorithm for the...
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Josh Peterson28/08/2025, 18:35Neutrino Sector
Atmospheric muon neutrinos and antineutrinos passing through the Earth experience matter effect induced oscillations, due to the interior structure of the Earth, which only affect neutrinos or antineutrinos depending on the true neutrino mass ordering (NMO). By leveraging the fact that more neutrinos are expected to be detected than antineutrinos in IceCube DeepCore, the detector can be used...
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Kelci Ann Mohrman (University of Florida (US))28/08/2025, 18:35Computing AI / ML
As we pursue new physics discoveries at the HL-LHC, one of the important technical challenges will be efficiently extracting physics insights from the massive data volume. To enable rapid execution of this "end-user" step of the workflow, the Coffea framework aims to provide a set of user-friendly columnar tools that facilitate efficient analyses at scale. This poster will describe the...
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Kyle Capobianco-Hogan28/08/2025, 18:40Accelerator Technology
We present preliminary lattices for a rapid cycling synchrotron (RCS) chain based on a bottom up design for a 10 TeV parton center-of-momentum (pCM) muon collider sited at Fermilab. The smallest RCS rings in this lattice are 6.28 km in circumference and the largest RCS ring fitting fully within the Fermilab site is 15.5 km. To reach 5 TeV per beam, a single tunnel containing up to two rings is...
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Roy Cruz Candelaria (University of Puerto Rico - Mayagüez)28/08/2025, 18:40Exotic Searches at Colliders
Previous CMS searches for emerging jets (EMJs) have focused on confined dark sector models with a bi-fundamental scalar mediator and dark pion decays primarily within the tracker volume. Additional constraints on dark pion lifetime and mass, as well as mediator mass, have been set by a search for long-lived particle (LLP) showers in the muon system. However, EMJs produced by decays within the...
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Sungbin Oh (Fermilab (US))28/08/2025, 18:45Neutrino Sector
The Short-Baseline Near Detector (SBND) is a 112-ton liquid argon time projection chamber (LArTPC) serving as the near detector of the Short-Baseline Neutrino Program at Fermilab. SBND aims to make precise measurements of neutrino-argon interactions, necessitating an extensive calibration program for the LArTPC to ensure precision/accuracy in these measurements. This talk describes the use...
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Brandon Henke28/08/2025, 18:45
The IceCube Neutrino Observatory is a neutrino detector located at the South Pole consisting of a three-dimensional array of optical sensors embedded deep within the Antarctic ice. The trajectory of the original neutrino can be inferred by analyzing the spatial and temporal distribution of the Cherenkov radiation produced by the charged particles that are generated when neutrinos interact in...
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Ethan James Meszaros (Université de Montréal (CA))28/08/2025, 18:50Computing AI / ML
This is a poster to compliment the talk linked [here][1]. Below is a re-posted abstract.
*The search for resonant mass bumps in invariant-mass histograms is a fundamental approach for uncovering Beyond the Standard Model (BSM) physics at the LHC. Traditional, model-dependent analyses that utilize this technique, such as those conducted using data from the ATLAS detector, often require...
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Qibin Liu (SLAC National Accelerator Laboratory (US))28/08/2025, 18:50Computing AI / ML
With the increasing size of the machine learning (ML) model and vast datasets, the foundation model has transformed how we apply ML to solve real-world problems. Multimodal language models like chatGPT and Llama have expanded their capability to specialized tasks with common pre-train. Similarly, in high-energy physics (HEP), common tasks in the analysis face recurring challenges that demand...
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Anthony Maurel Carroll (University of Oregon (US))28/08/2025, 18:50Instrumentation
The ATLAS level-1 calorimeter trigger is a custom-built hardware system
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that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy.
In Run 3, L1Calo has been upgraded to process higher granularity input data. The new trigger comprises several FPGA-based feature extractor modules, which process the new digital... -
Tianzi Song (Sun Yat-Sen University (CN))28/08/2025, 18:55
Detector visualization plays a vital role throughout the lifecycle of high-energy physics (HEP) experiments, yet existing detector descriptions, such as GDML, lack compatibility with industrial 3D tools. We present an automated conversion framework that transforms four major HEP detector types, including GDML, Geant4, ROOT and DD4hep, into standardized FBX models compatible with a industrial...
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Alan Salcedo28/08/2025, 18:55Neutrino Astrophysics
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE, >10 PeV) neutrino detector at the South Pole, designed to observe radio Askaryan emission from neutrino interactions in ice. A key challenge in reconstructing neutrino arrival directions in ARA is accurately determining the polarization of detected signals, as polarization provides crucial information about the emission geometry of...
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Daniel Carber28/08/2025, 18:55Neutrino Sector
The Short-Baseline Neutrino (SBN) Program at Fermilab consists of two liquid argon time projection chamber (LArTPC) detectors: the Short-Baseline Near Detector (SBND) located 110 meters downstream from the Booster Neutrino Beam (BNB) target, and the ICARUS detector positioned 600 meters downstream from the BNB target. The program is designed to probe short-baseline neutrino anomalies,...
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Xinchou Lou (Chinese Academy of Sciences (CN))29/08/2025, 09:00
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Karl Jakobs (University of Freiburg (DE))29/08/2025, 09:30
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Hitoshi Murayama (University of Tsukuba), Hitoshi Murayama (University of California Berkeley (US)), Hitoshi Murayama29/08/2025, 10:00
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Flavia de Almeida Dias (Nikhef National institute for subatomic physics (NL))29/08/2025, 11:00
Common ATLAS and CMS presentation
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Federico Leo Redi (Università degli Studi e INFN Milano (IT))29/08/2025, 11:30
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Cristina Lazzeroni (University of Birmingham (GB)), Cristina Lazzeroni (University of Birmingham (GB)), Cristina Lazzeroni (University of Birmingham (GB))29/08/2025, 12:00
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Carlos A. Argüelles-Delgado (Harvard University), Prof. Carlos Arguelles Delgado (Harvard University)29/08/2025, 13:30
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Sophie Berkman (University of British Columbia), Sophie Berkman29/08/2025, 14:00
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Mark Patrick Hartz (TRIUMF (CA)), Dr Mark Patrick Hartz (TRIUMF & Kavli IPMU, University of Tokyo)29/08/2025, 14:30Neutrino Sector
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Wang Yifang (IHEP,CAS)29/08/2025, 15:00
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Diana Parno (Carnegie Mellon University), Diana Parno (Carnegie Mellon University), Diana Parno (Carnegie Mellon University)29/08/2025, 16:00
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Mark Richard James Williams (The University of Edinburgh (GB))29/08/2025, 16:30
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Zhiqing Philippe Zhang (IJCLab, Orsay (FR))29/08/2025, 17:00Hadron Physics
The discrepancy on the muon anomalous magnetic moment values obtained via a direct measurement and via a data-driven theory determination that uses the experimentally measured $e^+e^-$ hadronic cross section, is among the long standing and most significant deviations from the Standard Model predictions. The recently presented final result of the direct measurement performed at the $g-2$...
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James Mott (Fermi National Accelerator Laboratory)29/08/2025, 17:30
The Muon g-2 Collaboration recently released a final measurement of the magnetic anomaly of the positive muon (a_μ), based on data taken from 2020 to 2023 at Fermilab. This new dataset contains over 2.5 times the total statistics of the previous publications. The measurement agrees well with the results from 2023 and 2021, with significantly reduced uncertainty largely owing to the increase...
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29/08/2025, 18:00
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Seokju Chung (Columbia University)Triggers AI / ML
The Short-Baseline Near Detector (SBND), the near detector of the Fermilab Short-Baseline Neutrino program, has been successfully operating since completing commissioning in 2024. Its data acquisition (DAQ) system manages high-rate readout, with robust timing synchronization and stable performance. In this poster, I will present an overview of the current DAQ system status and operations. I...
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ATLAS SpeakerInstrumentation
In order to withstand the high expected radiation doses at the High-Luminosity LHC, the ATLAS Liquid Argon Calorimeter readout electronics will be upgraded.
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This includes the development of custom preamplifiers and shapers meeting low noise and excellent linearity in 65 nm and 130 nm CMOS technologies to meet these requirements, a new ADC chip with two gains over a dynamic range of 16 bits... -
ATLAS SpeakerElectroweak Physics
The first measurement of double parton scattering in same-sign W boson pair production with the ATLAS detector is presented. The data set used corresponds to an integrated luminosity of 140 fb^-1 of proton--proton collisions at a center-of-mass energy of 13 TeV, collected during Run 2 of the Large Hadron Collider. The study is performed in final states including two same-charge leptons,...
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Yan Benhammou (Tel Aviv University (IL))Instrumentation
The emergence of fully electric vehicles and autonomous systems (e.g., cars, drones), combined with advancements in long-distance power transmission (e.g., satellites), has accelerated the development of wireless power transmission technologies. These technologies aim to address critical challenges such as reducing the reliance on extensive cabling and minimizing noise interference, especially...
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Tony MenzoCharged Lepton Flavor Violation
I will discuss signatures of muon-to-electron conversion arising from both heavy and light new physics at high-intensity rare muon decay experiments. For heavy new physics, I will outline a hierarchy of effective field theories for computing the rate of $\mu \to e$ conversion in the field of a nucleus, highlighting how different new physics scenarios imprint on nuclear responses relevant for...
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Fabrizio BianchiLow energy precision physics, g-2 ...
Electromagnetic transition form factors of light mesons are important inputs to the
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calculations of the hadronic light-by-light scattering contribution to the Standard
Model prediction of the anomalous magnetic moment of the muon. However, data in the
relevant regions of momentum transfer are scarce. The BESIII experiment at the $e^+ e^-$ collider BEPCII has collected the world's largest... -
Niki Saoulidou (National and Kapodistrian University of Athens (GR))OTHER
Performance of muons, electrons and photons at CMS and recent developments
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ATLAS SpeakerInstrumentation
To cope with the increase of the LHC instantaneous luminosity, new trigger readout electronics were installed on the ATLAS Liquid Argon Calorimeters.
On the detector, 124 new electronic boards digitise at high speed 10 times more signals than the legacy system. Downstream, large FPGAs are processing up to 20 Tbps of data to compute the deposited energies. Moreover, a new control and...
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Qiang Li (Peking University (CN))Future Colliders
Current or future GeV lepton beam for quantum physics: Quantum entanglement is a cornerstone of quantum mechanics. While the entanglement of confined electron pairs has been established early on, the entanglement of free-traveling electron pairs, particularly at high energies, remains largely unexplored due to the substantial challenges involved in measuring the spins of free-traveling...
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Paolo Gandini (INFN Milano (IT))Exotic Searches at Colliders
ALADDIN (An LHC Apparatus for Direct Dipole moments INvestigation, https://aladdin.web.cern.ch/) is a proposed compact fixed-target experiment at the LHC, designed to enable precise measurements of charm baryon electromagnetic dipole moments. The experiment leverages an innovative storage-ring layout that redirects protons from the beam halo onto a solid target, coupled with a bent crystal....
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ATLAS Speaker, Evelin Meoni (Universita della Calabria e INFN (IT))Top Physics
Top-quark pair production in heavy-ion collisions provides a unique opportunity to probe nuclear parton distribution functions and study the time evolution of strongly interacting matter, including the quark-gluon plasma. This work presents the observation and measurement of top-quark pair production in both proton-lead (p+Pb) and lead-lead (Pb+Pb) collisions using the ATLAS experiment at the...
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