This talk will highlight the latest results from CMS, ATLAS, and LHCb on precision electroweak measurements, including the W boson mass, sin2thetaW, and the g-2 from tau leptons, as well as recent determinations of the strong coupling constant, alphaS, in quantum chromodynamics (QCD).
The standard model (SM) of particle physics is a widely successful theoretical model, as it agrees with the vast majority of measurements in particle physics. However, the SM is not able to explain certain physical observations, leaving it unable to answer some open questions in particle physics. Among the particles predicted by the SM is the Higgs boson: a fundamental scalar boson, central to...
In the last years, experiments with neutrinos from accelerators have been instrumental for our knowledge of neutrino oscillations.
Long baseline neutrino experiments (T2K and NOVA), combining a high-intensity neutrino beam, sophisticated near detectors and massive far detectors, have established a non zero theta13 angle and measured with precision the theta23 angle and the Dm*2_32 mass...
Abstract: Since the discovery of neutrinos, nuclear reactor has played a major role in understanding neutrino physics, from the observation of neutrino oscillations with the precise measurement of $\Delta m_{21}$ and $\theta_{12}$, to the more recent breakthrough precise measurement of $\theta_{13}$ by the Daya Bay, Double Chooz and RENO. With the Jiangmen Underground Neutrino Observatory...
A decade ago, the IceCube Neutrino Observatory at the South Pole opened a new window into the universe by detecting an astrophysical neutrino flux in the TeV - PeV range. Since then, the field has rapidly evolved. The energy spectrum of astrophysical neutrinos has been measured with ever-increasing precision in multiple detection channels. The first point sources are emerging, with the blazar...
This talk will review the status of experiments measuring solar and geo neutrinos, including recent results and prospects for the near future.
Heavy-ion collisions at the Large Hadron Collider (LHC) offer a unique laboratory for probing the quark-gluon plasma (QGP), a novel state of matter believed to have existed shortly after the Big Bang.
This talk will present the latest findings from the LHC, focusing on key observables that shed light on various aspects of the QGP. Heavy-flavor hadrons and jet observables, such as jet...
The talk will cover the status of coherent elastic neutrino nucleus scattering experiments and a brief outlook on the physics potential.
The $K \to \pi \nu \bar\nu$ decay is a "golden mode" for flavour physics. Its branching ratio is predicted with high precision by the Standard Model to be less than $10^{-10}$, and this decay mode is highly sensitive to indirect effects of new physics up to the highest mass scales. The NA62 experiment at the CERN SPS is designed to study the $K^+ \to \pi^+ \nu \bar\nu$ decay, and provided the...
The top quark, the heaviest known elementary particle, plays a crucial role in advancing our understanding of fundamental physics. In this talk, the latest measurements of top quark production and properties from the ATLAS and CMS experiments at the LHC will be discussed. Key results include precise cross section measurements of top quark pair production, single top quark production, and...
The neutrino mass is deeply connected to physics of and beyond the Standard Model and to the evolution of the universe. Direct neutrino mass experiments provide the most model-independent approach to measure the absolute mass scale of neutrinos. In this talk the focus is on the latest results of the KATRIN experiment. In addition I will give an overview on the status and prospects of the field...
This talk will explore the current landscape of neutrinoless double beta decay (0νββ) searches, a phenomenon that, if observed, would provide direct evidence that neutrinos are their own antiparticles (Majorana fermions). The implications of such a discovery extend beyond the realm of particle physics, potentially offering insights into the origin of neutrino mass and the matter-antimatter...
PHENIX Overview highlights recent results in pp collisions, such as the sensitivity of direct photons to gluon spin (510 GeV), jet cross section and dilepton production (200 GeV) and J/ψ yield multiplicity dependence.
In small systems (dAu) the direct photon yield multiplicity dependence and pi0 supression in central collision, in AuAu collisions the new results of direct photon scaling, the...
Rare B decays, mediated by flavor-changing neutral currents, are sensitive probes for
new physics beyond the Standard Model. LHCb at CERN and Belle II at KEK focus on
high-precision measurements of these decays. In this talk, we will discuss recent
measurements from both experiments and highlight why they are ideal detectors
for studying such decays.
The W boson mass is measured using proton-proton collision data at sqrt(s)=13 TeV corresponding to an integrated luminosity of 16.8 inverse fb recorded during 2016 by the CMS experiment. The W boson mass is extracted using single-muon events via a highly granular maximum likelihood fit of the transverse momentum, pseudorapidity, and charge distribution of the selected muons, yielding one of...
This abstract discusses three recent measurements conducted at BESIII on the cross-sections of electron-positron annihilation into hidden charm final states:
1) The Born cross-section for the reaction e+ e- → eta hc is measured at center-of-mass energies ranging from 4.129 to 4.600 GeV. A resonant structure in the cross-section line shape near 4.200 GeV is observed with a statistical...
The Daya Bay reactor neutrino experiment, operated from December 2011 to December 2020, has gathered a record amount of statistical data on reactor neutrino interactions. Antineutrinos from 6 reactor cores were detected through inverse beta decay and identified through neutron capture on gadolinium or hydrogen using eight functionally identical detectors located in three experiment halls. ...
I will review the story of Borexino at Gran Sasso in the light of our understanding of the working principle of the Sun with the original hypotesis put forth by Bethe, Gamow and von Weiszacker in 1938. From the design to the radiopurity tests and the evolution of the project, the solution of several technical challenges led to a thorough real-time understanding of the nuclear reactions taking...
Jet cross-section ratios between inclusive bins of jet multiplicity are measured differentially in variables that are sensitive to either the energy-scale or angular distribution of hadronic energy flow in the final state. Several improvements to the jet energy scale uncertainties are described, which result in significant improvements of the overall ATLAS jet energy scale uncertainty. The...
At BESIII, the electromagnetic form factors (EMFFs) and the pair production cross sections of various baryons have been studied. The proton EMFF ratio |GE/GM| is determined precisely and line-shape of |GE| is obtained for the first time. The recent results of neutron EMFFs at BESIII show great improvement comparing with previous experiments. Cross sections of various baryon pairs (Lambda,...
The large top quark samples collected with the ATLAS experiment at the LHC have yielded measurements of the production cross section of unprecedented precision and in new kinematic regimes. They have also enabled new measurements of top quark properties that were previously inaccessible, enabled the observation of many rare top quark production processes predicted by the Standard Model and...
With the large datasets on 𝑒+𝑒−-annihilation at the 𝐽/𝜓 and 𝜓(3686) resonances collected at the BESIII experiment, multi-dimensional analyses making use of polarization and entanglement can shed new light on the production and decay properties hyperon-antihyperon pairs. In a series of recent studies performed at BESIII, significant transverse polarization of the (anti)hyperons has been...
The search for neutrinoless double-beta decay ($0\nu\beta\beta$) is a critical probe for testing the Majorana nature of neutrinos, a key question in particle physics. In this presentation, I will provide an overview of the KamLAND-Zen experiment, one of the leading efforts in this search. I will focus on the data analysis of our latest results, which offer new insights into the...
Present the observation of entanglement in top quark pairs using data collected with the CMS detector in the Run II of the LHC. Event signatures are selected only when two high pT leptons are present consistent with the dileptonic decay channel. An entanglement proxy D is used to determine whether the top quark pairs are entangled in the production threshold with D < -⅓ signaling entanglement....
This presentation delves into recent experimental measurements of charmonium decays, encompassing four independent measurements conducted at BESIII. 1) Based on 2.7 billion psi(3686) events collected with the BESIII detector at the BEPCII collider, we present the first evidence of chi_c0 → Lambda anti-Lambda phi decays and the first observation of chi_c1,2 → Lambda anti-Lambda phi decays, with...
Observation of neutrinoless double beta (0$\nu\beta\beta$) decay can reveal the neutrino properties beyond the Standard Model. AMoRE searches for the 0$\nu\beta\beta$ decay of molybdenum-100 using the isotope in the form of scintillation crystals equipped with the cryogenic detector system in the underground laboratory. In the first two phases of AMoRE using...
NOvA is a long-baseline, accelerator-based neutrino oscillation experiment, optimized for electron neutrino measurements. It utilizes the upgraded, Megawatt-capable NuMI beam from Fermilab to measure electron-neutrino appearance and muon-neutrino disappearance at its Far Detector in Ash River, Minnesota. NOvA's goals include resolving the neutrino mass hierarchy problem, constraining the...
A new sub-field has emerged in particle physics: borrowing techniques from quantum information science, we can now probe quantum mechanics in collider experiments. The ATLAS Collaboration recently reported the first observation of quantum entanglement between free quarks, in the first dedicated quantum information experiment at a hadron collider. Spin entanglement is observed by selecting...
In the relativistic heavy-ion collisions at the LHC, the quark-gluon plasma (QGP) is produced during the deconfinement phase transition, when the system reaches a specific temperature ($T_{ch}$) and energy density.
Lattice QCD calculations indicate that chiral symmetry (CS) restoration occurs around $T_{ch}$ as well ($\sim 156$ MeV). CS restoration can be investigated using parity partner...
We perform a theoretical interpretation of the results on intermittency analysis recently presented by the STAR collaboration at RHIC (Phys. Lett. B 845, 138165 (2023), arXiv:2301.11062v1 [nucl-ex]). The main task in this analysis was the search for the scaling law relating higher order factorial moments in transverse momentum space with the second order one. In a more general context, such a...
Modelling and reconstructing neutrino-nucleus scattering is difficult, but it is crucial to do it precisely to enable next-generation oscillation measurements. Liquid argon time projection chambers (LArTPCs), such as MicroBooNE, can be the tool for this job as they are excellent precision neutrino detectors with their ability to produce detailed three-dimensional interaction images and precise...
This presentation will cover the latest results from the CMS experiment on searches for heavy resonances decaying into bosons using data from Run 2. The analysis focuses on various final states, including those involving γ, g, W, Z, and H bosons. These searches aim to identify potential new particles predicted by theories beyond the Standard Model, such as Higgs sector extensions and extra...
BESIII is a symmetric e+e- collider operating at c.m. energy from 2.0 to 4.95 GeV. With the world’s largest data set of J/psi (10 billion), psi(3686) (2.6 billion), and about 25 fb^-1 scan data from 3.77 to 4.95 GeV, various dark sectors and various rare processes can be searched for at BESIII. In this talk, we report the search for invisible dark photon decay using initial state radiation,...
Rare b→sll decays serve as a valuable laboratory for probing the Standard Model (SM) flavour universality. These decays are sensitive to potential contributions from heavy mediators that are not accessible through direct searches. The LHCb detector plays a crucial role in this sector, as it is specifically designed to study hadrons containing b or c quarks. LHCb has conducted various analyses...
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...
Since the COHERENT collaboration first observed coherent elastic neutrino-nucleus scattering (CEνNS) in 2017, interest in this phenomenon has surged, leading to numerous global efforts to detect reactor neutrinos via CEνNS. Launched in 2019, the NEON (Neutrino Elastic Scattering Observation with NaI(Tl)) experiment aims to observe CEνNS from reactor neutrinos. Following the successful...
Many different theories beyond the Standard Model (SM) predict that new physics will manifest itself by decaying into final states involving leptons. Leptoquarks are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the SM. Right-handed Ws and heavy-neutrinos are also predicted by many extensions of the SM in the gauge sector, and...
The unprecedented collision energy of the LHC has opened up a new discovery regime. The first LHC dedicated search experiment, MoEDAL, has inaugurated the lifetime frontier being optimised for searches of long-lived particles. MoEDAL is designed to search highly ionising particle avatars of new physics using proton and heavy-ion collisions at the LHC. The upgrade for MoEDAL at Run 3 - the MAPP...
Many Beyond the Standard Model (BSM) theories predict the existence of long-lived particles (LLPs), which can exhibit unusual experimental signatures. Standard reconstruction algorithms may inadvertently reject events or objects containing LLPs. Therefore, dedicated searches are essential to uncover LLP signals. This presentation will discuss the recent results from LLP searches with the ATLAS...
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 to solely explain some observations. Many extensions of the Standard Model addressing such shortcomings introduce additional Higgs-like bosons which can be either...
This talk presents precise measurement of the properties of the Higgs boson, including its mass, total width, spin, and CP quantum number. 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 would be a sign of possible new phenomena beyond the SM
The LEGEND collaboration aims to detect neutrinoless double-beta (0νββ) decay in $^{76}$Ge using enriched high-purity germanium (HPGe) detectors. In its first phase, LEGEND-200, the experiment has been collecting physics data for over a year using 140 kg of HPGe detectors deployed in a liquid argon cryostat, with plans to add more detectors in the near future. In this talk, we present the...
The NA61/SHINE experiment at the CERN SPS is a multipurpose fixed-target spectrometer for charged and neutral hadron measurements. Its research program includes studies of strong interactions as well as reference measurements for neutrino and cosmic-ray physics. One major goal of its strong interaction program is to determine the existence and pinpoint the location of the QCD critical point,...
ICARUS (Imaging Cosmic and Rare Underground Signals), will operate as the Far Detector in the Short Baseline Neutrino (SBN) program at Fermilab. It plays a key role in detecting the potential existence of sterile neutrinos in the eV mass region. The ICARUS detector consists of two large liquid Argon time projection chambers (LArTPCs), each holding 760 tons of liquid Argon. A crucial component...
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. With increasing mass bounds on more classical MSSM scenarios other variations of supersymmetry, including long-lived particles, compressed states or a non-minimal particle content, become increasingly interesting. This...
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 precise 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 TeV. These include...
To enhance the sensitivity of gravitational wave detectors, it is crucial to reduce noise within the 10 Hz to 10 kHz frequency range.
One effective method is to decrease shot noise by increasing the laser power.
This allows the achievement of noise specifications expected for the upcoming observation runs of Advanced Virgo and Advanced LIGO detectors, as well as for third generation...
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 ESSnuSB CDR showed that after 10 years, about 72% of the possible CP-violating phase, δCP, range will be covered with 5σ C.L. to reject the...
While CP violation (CPV) has been firmly established in the decays of strange, charm, and beauty mesons, it has not been observed in the baryon sector yet. The charmless decays of beauty baryons offer a promising avenue for investigation, as significant CPV effects could emerge from the interference between tree and penguin topologies, which contribute comparably to the decay amplitudes of...
The B0 → K0∗μ+μ− decay occurs via the rare flavor-changing neutral current (FCNC) transition b → sl+l−, making it a sensitive probe for New Physics (NP) since FCNC is forbidden at tree level in the Standard Model (SM). Virtual NP contributions can significantly influence this decay, and previous LHCb measurements have shown notable discrepancies with SM predictions at a 3σ level. Interpreting...
The Jiangmen Underground Neutrino Observatory (JUNO) is a
20-kiloton liquid scintillator detector nearing completion in southern
China. JUNO is designed to achieve an energy resolution of 3% at 1
MeV, with its primary goal being the determination of the neutrino mass
ordering by resolving fine structure in the antineutrino energy spectrum
from nearby nuclear reactors. Additionally, with...
Open heavy-flavor hadrons and quarkonia production are considered among the most valuable tools for the investigation of the dense and hot matter produced in relativitstic heavy ion collisions and to study the properties of sQGP.
We will present recent open flavor and quarkonia measurements in p+p and A+A collisions from the experiments at the Relativistic Heavy Ion Collider (RHIC) at the...
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton liquid scintillator detector with a 650 m overburden that is currently under construction in the southern China. The experiment has two main goals: determining the neutrino mass ordering and precisely measuring the oscillation parameters $\Delta m^2_{31}$, $\Delta m^2_{21}$, and $\sin^2 \theta_{12}$. JUNO will have an energy...
The Deep Underground Neutrino Experiment (DUNE) is a next-generation long-baseline neutrino oscillation experiment. Its primary goal is the determination of the neutrino mass hierarchy and the CP-violating phase. The DUNE physics program also includes the detection of astrophysical neutrinos and the search for beyond the Standard Model phenomena, such as nucleon decays. DUNE will consist of a...
The Cabibbo-Kobayashi-Maskawa (CKM) γ angle can be determined by exploiting the interference between favoured b —> c and suppressed b —> u transition. It is the only angle that is directly measured at the tree level with negligible theoretical uncertainties. It provides a benchmark for the SM of the particle physics to explain the CP violation and to test the new physics contribution Beyond...
Since the first discovery in 2015, the field of gravitational-wave searches has strongly developed, with a total of 90 confirmed detections during the first three observing runs of the Advanced LIGO/Virgo detectors. In this talk, I will present the current status of the Virgo detector and its contribution in the global network of Earth-based detectors. Then, I will discuss the various searches...
The nature of Dark Matter is one of modern physics' most intriguing mysteries. Direct search experiments aim to reveal its secret by studying its potential interactions with "visible" matter. This talk will overview the experimental landscape, focusing on promising Dark Matter candidates investigated in labs. In line with the theme of "physics in collision," it will highlight the search for...
Spectroscopy of heavy hadrons offers a powerful tool for exploring the intricacies of quantum chromodynamics. In traditional hadron spectroscopy, experimental studies—particularly the discovery of new hadronic states—are essential for understanding the nature of exotic hadrons. The extensive flavor dataset collected by the LHCb experiment during the periods 2011-2012 and 2015-2018 presents a...
Two neutrino detectors have been in operation at the LHC interaction point 1 since the start of Run 3 in 2022. The SND@LHC and FASER experiments perform measurements with neutrinos produced at the LHC. These are the highest-energy human-made neutrinos and they are produced in a hitherto unexplored pseudo-rapidity range, inaccessible to other LHC experiments. Their configurations allow...
BESIII has collected 7.93, 7.33, and 4.5 fb$^{-1}$ of e$^+$e$^-$ collision data samples at 3.773, 4.128-4.226, and 4.6-4.7 GeV, which provide the largest dataset of charmed hadron pairs in the world, respectively, and present a unique opportunity to investigate charm decays.
For the hadronic decays, we will present the observation of $D^+$ to $K_s$ $a_0(980)+$ and D to $a_0(980)^+$$\pi$,...
Neutrinos are interesting elusive particles that can provide significant insights into our Universe. Their neutral, stable, and weakly interacting nature, make them ideal messengers to explore the deep Universe. However, the flux of high energy neutrinos is quite low, necessitating the development of large detectors. The KM3NeT collaboration addresses this challenge by building two undersea...
The KM3NeT/ORCA detector (Oscillation Research with Cosmics in the Abyss) is an underwater array of Digital Optical Modules. These are spheres that host 31 photomultiplier tubes each, and they are tied together in vertical structures (the Detection Units-DUs) anchored on the seabed. This configuration allows the detection of neutrino events using the Cherenkov radiation emitted by secondary...
The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton Gd-doped water Cherenkov detector installed in the Booster Neutrino Beam (BNB) at Fermilab. The main physics goal of the experiment is to measure the final state neutron multiplicity of neutrino-nucleus interactions to improve the systematic uncertainties in oscillation experiments. Complementing this goal, ANNIE tests...
In this contribution the most recent results of an all-flavour search for diffuse astrophysical neutrino fluxes, using the full dataset obtained with the first KM3NeT/ARCA configurations, will be presented. KM3NeT/ARCA is part of the KM3NeT research infrastructure and focuses on the detection of high energy neutrinos (>TeV) from astrophysical sources. The KM3NeT/ARCA detection units are...
The event rate from dark matter interactions is expected to exhibit an annual modulation due to the galactic halo distribution of dark matter. However, this signature has only been observed in the DAMA/LIBRA experiment, which used NaI(Tl) scintillators. While their results could suggest dark matter scattering, no other experiment has successfully replicated these findings. To address this...
Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require “track functions”, which characterize the transverse momentum fraction $r_q$ carried by charged hadrons from a fragmenting quark or...
Measurements of the differential cross section for isolated-photon production in proton-proton collisions at a centre of mass energy of 13 TeV are presented. The analysis uses data collected by the ATLAS detector at the LHC, corresponding to an integrated luminosity of 139 fb-1. Cross sections are measured as a function of the photon transverse energy in various regions of photon...
Muons, created in interactions of cosmic rays with the Earth's atmosphere, are the main component of cosmic ray air showers which reach underwater or in-ice neutrino telescopes such as KM3NeT and IceCube. Measurements of such muons provide crucial information about the properties of cosmic rays, and their interactions with the atmosphere. The KM3NeT research infrastructure includes two...
Charmonium decays offer a promising hunting ground for the investigation of light QCD exotics, particularly gluonic excitations such as glueballs and hybrids. These particles are expected to be copiously produced in the gluon-rich environment characteristic of charmonium decays. In this talk, we will report on the discovery of a glueball-like state, X(2370). Additionally, we will present...
LHCb has collected the world's largest sample of charmed hadrons. This sample is used to search for charm rare decays and to measure $C\!P$ violation and the $D^0 -\overline{D}^0$ mixing. New measurements of several decay modes are presented, along with prospects for the sensitivity at the LHCb upgrades.
The Muon g-2 experiment at Fermilab seeks to measure the muon magnetic moment anomaly, $a_{\mu} = (g-2)/2$, with a final target precision of 0.14 parts per million (ppm). The experiment’s initial result, published in 2021 using Run-1 data from 2018, confirmed the previous measurement at Brookhaven National Laboratory with a comparable sensitivity of 0.46 ppm. In 2023, new results from Run-2...
LHCb and Belle II are two frontier experiments in flavor physics that operate at the complementary setting of proton-proton and electron-positron collisions, respectively. We report new results from these experiments on the angles of the CKM Unitarity Triangle and the anomalies surrounding decays mediated by b-to-c tree-level transitions.
