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Prof. Phil Barbeau24/05/2022, 08:30
The COHERENT experiment consists of a suite of neutrino detectors located in a basement hallway at the Spallation Neutron Source in Oak Ridge National Laboratory. In 2017 (and again in 2021) COHERENT reported the first (and second) observation of CEvNS. I will present the status of these measurements. COHERENT is in the process of deploying four new neutrino detectors to "neutrino alley",...
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Raimund Strauss24/05/2022, 08:53
The detection of coherent-neutrino nucleus scattering (CEvNS) opens a new window to study the fundamental properties of neutrinos and to probe physics beyond the Standard Model of Particle Physics. NUCLEUS is a novel cryogenic neutrino experiment at a nuclear power reactor which allows for precision measurements of CEvNS at unprecedentedly low energies. It is based on recently demonstrated...
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Carlos Arguelles Delgado (Harvard University)24/05/2022, 09:16
The IceCube Neutrino Observatory located near the geographical South Pole has measured the spectra of high-energy atmospheric and astrophysical neutrinos. Using the data collected over more than ten years, IceCube has performed searches for new neutrino forces, partners, and space-time symmetries have been performed. This talk will review recent results on beyond Standard Model measurements...
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Diego Aristizabal (Universidad Tecnica Federico Santa Maria (USM))24/05/2022, 09:39
nuBDX-DRIFT is a directional low-pressure TPC detector suitable for measurements of coherent elastic neutrino-nucleus scattering (CEvNS) using a variety of gaseous target materials which include carbon disulfide, carbon tetrafluoride and tetraethyllead. In this talk, I will briefly discuss various aspects of the physics opportunities that measurements using the LBNF beamline offer. Special...
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Daniel Snowden-Ifft24/05/2022, 10:50
The $\nu$BDX-DRIFT experiment seeks to study CE$\nu$NS interactions and search for BSM physics using low-energy nuclear recoils at Fermilab, detailed in another talk at this conference. Background suppression is the key to the success of this endeavor. Using GENIE and Geant we have benchmarked our simulations to results from a preliminary COUPP run in the NuMI beam in 2009. Utilizing this...
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Rouzbeh Allahverdi (University of New Mexico)24/05/2022, 11:13
I show that a nonstandard cosmological history with a period of early matter domination driven by a sub-TeV visible-sector particle can arise rather naturally. This scenario involves a long-lived standard model singlet that acquires a thermal abundance at high temperatures from decays and inverse decays of a parent particle with SM charge(s), and subsequently dominates the energy density of...
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Fei Huang (ITP CAS and UC Irvine)24/05/2022, 11:36
One signature of an expanding universe is the time-variation of the cosmological abundances of its different components. For example, a radiation-dominated universe inevitably gives way to a matter-dominated universe, and critical moments such as matter-radiation equality are fleeting. In this talk, we point out that this lore is not always correct, and that it is possible to obtain a form of...
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Hye-Sung Lee (KAIST)24/05/2022, 13:30
The dark matter sector is mysterious. One possible scenario is the dark matter sector is basically separated from the visible sector and is made up of its own particle spectrum similar to the standard model. Here, the concept of the portal between the dark sector and the visible sector is important to investigate the dark sector. We will talk about the dark axion portal, which connects some...
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Jayden Newstead24/05/2022, 13:53
Dark matter direct detection experiments have spurred interest in the Migdal effect, where it is employed to extend their sensitivity to lower dark matter masses. The calculation of the signal is subject to large theoretical uncertainties, therefore a calibration of the Migdal effect and the experimental response to a potential dark matter signal is needed. In this talk I'll show the results...
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Gopolang Mohlabeng (University of California, Irvine)24/05/2022, 14:16
Low mass fast moving/energetic dark matter (DM) is very well motivated and has been a subject of attention in the literature. These fast-moving particles can gain enough kinetic energy to pass the thresholds of some Large volume terrestrial detectors. For instance, fast-moving or "boosted" DM can account for the recent excess in electron recoil events observed by the XENON1T detector, due to...
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Francesc Ferrer Escursell24/05/2022, 14:39
Axion-like-particles frequently appear in extensions of the Standard Model and could be a principal component of the dark matter in the universe. We review several astrophysical effects that could be due to inhomogeneous axion distributions. Such clumps could have been present at early stages of the evolution of the universe giving rise to the formation of black holes; or they could exist in...
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Wooyoung Jang (University of Texas at Arlington)24/05/2022, 15:50
Dark matter is known to make up more than 75% of matters of the universe. However, its nature remains to be unveiled. Over the several decades, extensive studies have been done on the weak scale mass regime, but there have been no positive results thus far. This naturally led to an interest in the dark matter models in areas other than the weak scale.
The Deep Underground Neutrino...
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Dr Doojin Kim (Texas A & M University (US))24/05/2022, 16:13
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Prof. Jae Yu (University of Texas at Arlington (US))24/05/2022, 16:36
Recent discoveries of a new scalar boson, the gravitational wave and the black hole greatly advance our understanding of the nature of the universe. The 95% of the universe, however, is yet to be uncovered. Of these is the dark matter thought to make up about a quarter of the universe. Dark matter has been searched both directly and indirectly. Direct searches have hard bounds in the low...
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Adam Orion Martin (University of Notre Dame (US))24/05/2022, 16:59
We explore the effective field theory of a vector field X_mu that has a Stückelberg mass. The absence of a gauge symmetry for X implies Lorentz-invariant operators are constructed directly from X_mu. Beyond the kinetic and mass terms, allowed interactions at the renormalizable level include X^4, H^2 X^2 and X^mu j_mu, where j_mu is a global current of the SM or of a hidden sector. We show that...
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Adrian Raphael Thompson24/05/2022, 17:22
We point out that production of new bosons by charged meson decays can greatly enhance the sensitivity of beam-focused accelerator-based experiments to new physics signals. This enhancement arises since the charged mesons are focused and their three-body decays do not suffer from helicity suppression in the same way as their usual two-body decays. As a realistic application, we attempt to...
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Konstantin Matchev (University of Florida (US))25/05/2022, 08:30
Transit spectroscopy is the primary tool for inferring the physical parameters and the atmospheric chemical composition of extrasolar planets. I will discuss some recently proposed AI-inspired techniques for exoplanet parameter retrievals, including dimensional analysis, vector component analysis, exploratory data analysis, feature engineering, dimensionality reduction and manifold learning,...
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Dr Claudius Krause (Rutgers University)25/05/2022, 08:53
Simulation of particle interactions with detector material, especially in the calorimeters are very time-consuming and resource intensive. In the upcoming LHC runs, these could provide a bottleneck that severely limits our analysis capabilities.
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In recent years, approaches based on deep generative models have provided a fresh alternative to "classical" fast simulation. In this talk, I present... -
Anna Hallin25/05/2022, 09:16
Despite countless searches at the Large Hadron Collider (LHC), new physics remains elusive. The majority of these searches are highly model specific, requiring both background and signal simulation. In recent years, many anomaly detection methods have been proposed that use machine learning to enhance resonance searches without specifying a particular signal hypothesis. In this talk, I will...
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K.C. Kong25/05/2022, 09:39
The Higgs potential is vital to understand the electroweak symmetry breaking mechanism, and probing the Higgs self-interaction is arguably one of the most important physics targets at current and upcoming collider experiments. In particular, the triple Higgs coupling may be accessible at the HL-LHC by combining results in multiple channels, which motivates to study all possible decay modes for...
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Joshua Barrow25/05/2022, 10:02
Sensitivities of future large underground neutrino oscillation experiments are critically dependent upon precisely understanding the initial energy of an incoming neutrino via cross section models and event generator predictions which summarize prospective final states. Extracting the true initial energy of the neutrino is thus model dependent, requiring a deep understanding of the biases...
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Sergei Chekanov (Argonne National Laboratory (US))25/05/2022, 10:50
This presentation discusses searches for heavy particles by the ATLAS and CMS collaborations at the Large Hadron Collider (LHC). The talk discusses a motivation for such searches and the experimental challenges to discover heavy particles in the mass range from 400 GeV to 8 TeV using jets, leptons and missing transverse energy. The presented experimental limits use the LHC Run 2 dataset...
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Christina Wenlu Wang (California Institute of Technology (US))25/05/2022, 11:13
Many extensions of the standard model (SM) predict the existence of weakly-coupled particles that have a long lifetime. These long-lived particles (LLPs) often provide striking displaced signatures in detectors, thus escaping the conventional searches for prompt particles and remaining largely unexplored at the LHC. I will discuss the broad search program for LLPs enabled by the unique...
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Brooks Thomas (Lafayette College)25/05/2022, 11:36
In this talk, we point out a novel signature of physics beyond the Standard Model which could potentially be observed both at the LHC and at future colliders. This signature, which emerges naturally within many proposed extensions of the Standard Model, results from the multiple displaced vertices associated with the successive decays of unstable, long-lived particles along the same decay...
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Tianjun Li25/05/2022, 11:59
Gauge coupling unification in the Supersymmetric Standard Models strongly implies the Grand Unified Theories (GUTs). With the grand desert hypothesis, we show that the supersymmetric GUTs can be probed at the future proton-proton (pp) colliders and Hyper-Kamiokande experiment. For the GUTs with the GUT scale $M_{GUT} \le 1.0\times 10^{16}$ GeV, we can probe the dimension-six proton decay via...
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David Toback (Texas A & M University (US))25/05/2022, 13:30
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Tao Han25/05/2022, 13:53
In light of the recent CDF result on the MW measurement at the Fermilab Tevatron, I discuss some implications from theoretical considerations. I first summarize the current global fit on the EW parameters from the PDG and observe the clear tension with the CDF MW measurement. I then discuss the transverse kinematical variables at hadron colliders, such as PT(e) and MT(en), from which the MW is...
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Fred Olness (Southern Methodist University (US))25/05/2022, 14:16
Science is entering a new era in the investigation of nuclear matter,
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driven by a wealth of precision data from the JLab, HERA, RHIC, & LHC
experiments. The nCTEQ project employs advanced theoretical techniques
to analyze these data sets comprehensively. While this analysis is
performed within the framework of the QCD parton model, we leverage
methods and results from Lattice QCD, Machine... -
Surjeet Rajendran25/05/2022, 14:39
A new technique to search for new scalar and tensor interactions at the sub-micrometer scale is presented. The technique relies on small shifts of nuclear gamma lines produced by the coupling between matter and the nuclei in the source or absorber of a Mossbauer spectrometer. Remarkably, such energy shifts are rather insensitive to electromagnetic interactions that represent the largest...
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Steven Clark (Brown University)25/05/2022, 15:02
The Hubble tension is a result of variations between the late-Universe measurements of $H_0$ and those inferred from early-Universe physics measurements. Many solutions have been proposed to address this tension; among the most successful are alterations to the early-Universe physics such as Early Dark Energy (EDE). However, each of these proposed solutions mitigate the tension at the expense...
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Can Kilic25/05/2022, 15:50
I will present an extension of the Twin Higgs scenario where the dark matter particle is a twin quark which becomes a (twin) color singlet after a spontaneous breaking of twin color. This model cogenerates matter/antimatter asymmetries in both the visible and twin sectors, thus addressing the naturalness, dark matter, and matter/antimatter puzzles. I will discuss constraints on the parameter...
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Matthew Toups25/05/2022, 16:13
The PIP-II complex at Fermilab is slated for operation later this decade and can support MW-class proton fixed-target programs at both O(1 GeV) and O(10 GeV) in addition to the beam required for DUNE. In this talk we outline new opportunities for BSM searches at O(1 GeV) and O(10 GeV) proton beam dump facilities at Fermilab using existing and proposed neutrino detectors.
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Gordan Krnjaic (Fermilab)25/05/2022, 16:36
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Vishvas Pandey25/05/2022, 16:59
Tens of MeV neutrinos, e.g. from the stopped pion or core-collapse supernova sources, scatter off the target nucleus in the detector either via a coherent elastic or the inelastic process and allow the study of a variety of SM and BSM processes. The precision of the coherent elastic process, where the scattered nucleus remains in its ground state, is limited by the precision with which the...
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Daniel Pershey (Duke University)25/05/2022, 17:22
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Scott Kravitz26/05/2022, 08:30
The liquid xenon time projection chamber (LXe TPC) is a well-established particle detection technology commonly used in rare event searches such as dark matter (DM) direct detection. LZ is a LXe TPC expected to improve on the current best WIMP sensitivity by almost two orders of magnitude by the time its nominal data-taking finishes around 2027. If DM lies beyond LZ’s detection capabilities,...
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juan estrada (fermilab)26/05/2022, 08:53
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Kimberly Boddy (University of Texas at Austin)26/05/2022, 09:16
Large self interactions between dark matter particles allow for efficient heat transfer within a dark matter halo, altering halo properties from LCDM predictions and thereby potentially alleviating small-scale structure formation puzzles. These properties can be explored using a semianalytic approach in which the halo is modeled as a gravothermal fluid. In this talk, I will describe the phases...
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Aaron Higuera Pichardo26/05/2022, 09:39
The XENONnT experiment has made great commissioning strides in the last year. Operating at the INFN Gran Sasso National Laboratory in Italy, XENONnT has substantially improved upon its predecessor, XENON1T, which to date is the most sensitive direct-detection dark-matter experiment for spin-independent WIMPs above 6 GeV/c^{2}. As part of its multi-pronged physics program, XENONnT aims to reach...
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Yuhsin Tsai (University of Notre Dame)26/05/2022, 10:02
Asteroid-mass primordial black holes (PBH) can explain the observed dark matter abundance while being consistent with the current indirect detection constraints. These PBH can produce gamma-ray signals from Hawking radiation that are within the sensitivity of future measurements by the AMEGO and e-ASTROGAM experiments. PBH which give rise to such observable gamma-ray signals have a cosmic...
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Dr Denis Rathjens (Texas A & M University (US))26/05/2022, 10:50
Lepton flavour universality violation (LFUV) continues to be indicated by results in the B-meson sector. Especially LHCb's measurement of the charged channel R(D) & R(D), as well as neutral channel R(K) & R(K) anomalies hint at the existence of BSM physics explaining this LFUV.
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This talk covers a variety of searches of the ATLAS and CMS collaborations at $\sqrt{s}=13\,$TeV that have been... -
Wolfgang Altmannshofer (UC Santa Cruz)26/05/2022, 11:13
For several years, various experimental results on B meson decays show persistent discrepancies with respect to Standard Model expectations. Discrepancies are observed in branching ratios, angular distributions, and lepton flavor universality ratios. I will review the status of the discrepancies, discuss possible new physics explanations, and outline how a high-energy muon collider could test...
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Ian Lewis (The University of Kansas)26/05/2022, 11:36
We study the CP-violating top Yukawa coupling at a future muon collider with energies of 1, 3, 10, and 30 TeV. The processes under consideration are $t\bar th$ , $t\bar th\nu\bar\nu$, and $tbh\nu\mu$. As we will show, at different energies the different processes dominate. Additionally, each process has a different dependence on the CP-violating top Yukawa. We will project 2$\sigma$...
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Dorival Gonçalves (Oklahoma State University)26/05/2022, 11:59
Searching for new sources of CPV and uncovering the mechanism behind EWSB are cornerstones of the LHC program and forthcoming experiments, such as FCC and LISA. First, we show how collider measurements and observations of stochastic gravitational-wave signals can complement each other to explore the multiform scalar potential in the 2HDM. The well-motivated 2HDM leads to a rich phase...
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Stefano Profumo26/05/2022, 13:30
In the age of gravitational wave astronomy, the possibility that some of the black holes in the universe have a primordial, rather than stellar origin, and that they might be a non-negligible fraction of the cosmological dark matter, is quite intriguing. I will review the status of the field, and comment on search strategies and future prospects for detection across many decades in black hole...
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Isabelle Goldstein (Brown University)26/05/2022, 13:53
The dark matter distribution in dwarf galaxies holds a wealth of information on the fundamental properties and interactions of the dark matter particle. We study whether ultralight boson dark matter is consistent with the gravitational potential extracted from stellar kinematics. We use velocity dispersion measurements from six classical dwarf galaxies to show that axion-like particles with...
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Joshua Ziegler26/05/2022, 14:16
Stars whose initial mass is between approximately 150 and 240 M$_\odot$ face a fate of complete explosion in a pair instability supernova (PISN). However, by injecting energy into the star, it may be possible in some cases to avoid this fate. We outline conditions on this energy injection which can lead to the survival or incomplete explosion of the star, and we discuss how dark matter...
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Joel Meyers (Southern Methodist University)26/05/2022, 14:39
Observations of the cosmic microwave background (CMB) have played an essential role in shaping our understanding of the history, evolution, and contents of the universe. CMB surveys planned over the next decade will map the microwave sky with unprecedented precision. I will discuss how these forthcoming observations will provide characteristically new insights into particle physics and...
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Andrew Long (Rice University)26/05/2022, 15:02
If ultra-light axion-like particles exist in nature, they might manifest themselves as a cosmological axion string network that fills the universe today. Such a string network is expected to leave a distinctive imprint on the polarization pattern of the Cosmic Microwave Background radiation. A coupling between axions and electromagnetism causes a photon’s plane of polarization to rotate as...
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Dr Bhupal Dev (Washington University in St. Louis)26/05/2022, 15:50
The detection of the cosmic neutrino background (CvB) is an outstanding problem in particle physics and cosmology. We propose a new way to detect CvB via resonant scattering against cosmogenic GZK neutrinos, which leads to an attenuation of the GZK neutrino flux. However, to have any observable effect, we need significant CvB overdensity along the line-of-sight. This might be feasible in...
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Lisa Koerner (University of Houston (US))26/05/2022, 16:13
NOvA is a long-baseline neutrino oscillation experiment designed to observe electron neutrino appearance in a muon neutrino beam. It consists of a near detector at Fermilab and a 14-kt far detector 810 km away in northern Minnesota, both exposed to the NuMI beam. In this talk, I will review recent results from NOvA, including measurements of the neutrino oscillation parameters based on a...
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yun tse tsai (SLAC)26/05/2022, 16:36
Based on their millimeter resolution and potential on calorimetric capabilities, liquid-argon time-projection chambers (LArTPCs) offer unique opportunities for detection of weakly interacting particles, and have been selected as the technology of the far detector of the Deep Underground Neutrino Experiment (DUNE). While LArTPCs have demonstrated good performance at keV-scale in small-scale...
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Vedran Brdar (MPIK Heidelberg)26/05/2022, 16:59
One of the most important achievements in the field of particle physics was the discovery of neutrino oscillations.
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Despite already awarded Nobel Prize, neutrino oscillation experiments still have a lot to offer, primarily the discovery
of CP violation in the lepton sector is anticipated. The expression for neutrino oscillation probabilities is composed
of neutrino mixing parameters and... -
Julia Gehrlein26/05/2022, 17:22
In neutrino oscillation physics numerous exact degeneracies exist under the name LMA-Dark.
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These degeneracies make it impossible to determine the sign of $\Delta m^2_{31}$ known as the atmospheric mass ordering with oscillation experiments alone in the presence of new neutrino interactions.
We discuss the status of these degeneracies and show that recent data has lifted the LMA-Dark... -
Bruce Howard (Indiana University)27/05/2022, 08:30
The ICARUS collaboration employed the 760-ton T600 detector in a successful three-year physics run at the underground LNGS laboratories studying neutrino oscillations with the CNGS neutrino beam from CERN, and searching for atmospheric neutrino interactions. ICARUS performed a sensitive search for LSND-like anomalous νe appearance in the CNGS beam, which contributed to the constraints on the...
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Dr Peter Denton (Brookhaven National Laboratory)27/05/2022, 08:53
The nature of CP violation in the lepton sector is one of the biggest open questions in particle physics. Long-baseline accelerator neutrino experiments have the opportunity to determine if CP is violated in the mass matrix. I will look at the most recent NOvA and T2K data which show a slight and very interesting tension. While this tension possibly indicates a flipping in the mass ordering,...
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Zahra Tabrizi (Northwestern University)27/05/2022, 09:16
We will discuss how to systematically study physics beyond the standard model (BSM) in the neutrino experiments within the Standard Model Effective Field Theory (SMEFT) framework. In this way, the analysis of the data can capture large classes of models, where the new degrees of freedom have masses well above the relevant energy of the experiment. Moreover, it allows us to compare several...
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Kaladi Babu27/05/2022, 09:39
I shall describe the natural origin of Dirac neutrinos with small masses in a class of left-right symmetric theories. These models also solve the strong CP problem via parity symmetry, without the need for an axion. Consistency with neutrino oscillation data will be shown. Such Dirac neutrino models can be tested in CMB measurements of Neff, which is predicted to be larger by about 0.14.
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Mainak Mukhopadhyay (Arizona State University)27/05/2022, 10:50
When a burst of neutrinos from a core-collapse supernova (CCSN) passes by the Earth, it causes a permanent change in the local space-time metric, called the gravitational wave (GW) memory. Long considered unobservable, this effect will be detectable in the near future, at deci-Hertz GW interferometers. I will present a novel idea, where observations of the neutrino GW memory from CCSNe will...
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Jason Kumar27/05/2022, 11:13
We consider the well-motivated scenario of dark matter annihilation with a velocity-dependent cross section. At higher speeds, dark matter annihilation may be either enhanced or suppressed, which affects the relative importance of targets like galactic subhalos, the Galactic Center, or extragalactic halos. We consider a variety of new strategies for determining the associated J-factors, and...
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Keith R. Dienes27/05/2022, 11:36
In this talk, we shall present a non-technical method of understanding UV/IR mixing from a field-theoretic perspective. We will then discuss how these ideas are ultimately realized in string theory, providing a self-contained introduction to relevant string ideas as we proceed. Finally, we shall present a fully string-theoretic framework for calculating one-loop Higgs masses directly from...
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Nader mirabolfathi (UC-Berkeley)27/05/2022, 11:59
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Tim M.P. Tait (University of California, Irvine)
I will discuss the possibility that the coupling constants are dynamical quantities which take different values during early cosmological epochs. In particular, I will show that such scenarios (focused on the gauge couplings of either the SU(2) or SU(3) SM interactions) can have a profound effect on the production of dark matter through various mechanisms, resulting in different expectations...
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Simona Murgia (University of California, Irvine)
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Prof. Savvas Koushiappas (Brown University)
I will discuss the application of machine learning techniques for the detection of the astrometric signature of dark matter substructure. In this simple proof of principle example, a population of dark matter subhalos in the Milky Way act as lenses for sources of extragalactic origin. We show that machine learning applied to an SKA -like survey can be used to probe the substructure content of...
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Julian Heeck
Experimental hints for lepton-flavor universality violation in the muon's magnetic moment as well as neutral- and charged-current $B$-meson decays require Standard-Model extensions by particles such as leptoquarks that generically lead to unacceptably fast rates of charged lepton flavor violation and proton decay. We propose a model based on a gauged $U(1)_{L_\mu-L_\tau}$ that eliminates all...
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Vishvas Pandey (University of Florida)
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Rahool Kumar Barman (Oklahoma State University)
We explore the direct Higgs-top CP structure via the $pp \to t\bar{t}h$ channel with machine learning techniques, considering the clean $h \to \gamma\gamma$ final state at the high luminosity LHC~(HL-LHC). We show that a combination of a comprehensive set of observables, that includes the $t\bar{t}$ spin-correlations, with mass minimization strategies to reconstruct the $t\bar{t}$ rest frame...
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Andrew Larkoski (SLAC National Accelerator Laboratory)
In this talk, I introduce observables for identification of quantum interference effects in jets from the interference of gluon states with distinct color quantum numbers. These effects are exclusively beyond the leading-color approximation, and so can have important consequences for fixed-order predictions or parton shower modeling that includes full-color physics.
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Adrian Raphael Thompson
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Carlos A. Argüelles-Delgado (Harvard University)
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Mehr Un Nisa (Michigan State University)
The nature of dark matter (DM) — the cold, neutral entity comprising roughly 85% of all matter content in the universe — is one of the biggest open problems in modern astrophysics. One plausible class of candidate DM particles, from beyond the Standard Model of physics, are Weakly Interacting Massive Particles (WIMPs), ranging in masses between ~GeV to hundreds of TeV. Such DM particles may...
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