A5071143509- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Neutrino Physics Research
- Cosmology and Gravitation Theories
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- Distributed and Parallel Computing Systems
- Medical Imaging Techniques and Applications
- Atomic and Subatomic Physics Research
- Particle Accelerators and Free-Electron Lasers
- Plasma Diagnostics and Applications
- Muon and positron interactions and applications
- Advanced Optical Sensing Technologies
- Radiation Effects in Electronics
- Black Holes and Theoretical Physics
- Advanced Data Storage Technologies
- Superconducting Materials and Applications
- COVID-19 epidemiological studies
- Superconducting and THz Device Technology
- CCD and CMOS Imaging Sensors
- advanced mathematical theories
University of Bonn
2024-2025
Johannes Gutenberg University Mainz
2015-2024
Northern Illinois University
2023-2024
Institute for High Energy Physics
2023-2024
Institute of Science and Technology
2023-2024
A. Alikhanyan National Laboratory
2024
Atlas Scientific (United States)
2024
The University of Adelaide
2019-2023
University of California, Santa Cruz
2023
Campbell Collaboration
2023
FASER,the ForwArd Search ExpeRiment,is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at the LHC. Such may be produced in LHC's high-energy collisions and travel long distances through concrete rock without interacting. They then decay visible FASER, which is placed 480 m downstream of ATLAS interaction point. In this work we briefly describe FASER detector layout status potential backgrounds. We present sensitivity reach large number...
Abstract Neutrinos are copiously produced at particle colliders, but no collider neutrino has ever been detected. Colliders produce both neutrinos and anti-neutrinos of all flavors very high energies, they therefore highly complementary to those from other sources. FASER, the Forward Search Experiment LHC, is ideally located provide first detection study neutrinos. We investigate prospects for studies with FASER $$\nu $$ <mml:math...
We report the first direct observation of neutrino interactions at a particle collider experiment. Neutrino candidate events are identified in 13.6 TeV center-of-mass energy pp collision dataset 35.4 fb^{-1} using active electronic components FASER detector Large Hadron Collider. The candidates required to have track propagating through entire length and be consistent with muon charged-current interaction. infer 153_{-13}^{+12} significance 16 standard deviations above background-only...
We review the physics potential of a next generation search for solar axions: International Axion Observatory (IAXO) . Endowed with sensitivity to discover axion-like particles (ALPs) coupling photons as small gaγ∼ 10−12 GeV−1, or electrons gae∼10−13, IAXO has find QCD axion in 1 meV∼1 eV mass range where it solves strong CP problem, can account cold dark matter Universe and be responsible anomalous cooling observed number stellar systems. At same time, will have enough detect lower axions...
FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such may be produced in large numbers along beam collision axis, travel hundreds meters without interacting, then decay standard model particles. To such events, will located 480 m downstream ATLAS IP unused service tunnel TI12 sensitive that cylindrical volume with radius R=10 cm length L=1.5 m. complement LHC's existing physics program,...
Drell-Yan lepton pair production processes are extremely important for Standard Model (SM) precision tests and beyond the SM searches at hadron colliders. Fast accurate predictions essential to enable best use of measurements these processes; they used parton density fits, extraction fundamental parameters SM, estimation background in searches. This paper describes a new numerical program, DYTurbo, calculation QCD transverse-momentum resummation cross sections up next-to-next-to-leading...
$\mathrm{FASER}\ensuremath{\nu}$ at the CERN Large Hadron Collider (LHC) is designed to directly detect collider neutrinos for first time and study their cross sections TeV energies, where no such measurements currently exist. In 2018, a pilot detector employing emulsion films was installed in far-forward region of ATLAS, 480 m from interaction point, collected $12.2\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ proton-proton collision data center-of-mass energy 13 TeV. We describe...
The FASER experiment at the LHC is designed to search for light, weakly-interacting particles produced in proton-proton collisions ATLAS interaction point that travel far-forward direction. first results from a dark photons decaying an electron-positron pair, using dataset corresponding integrated luminosity of 27.0 fb−1 collected center-of-mass energy s=13.6 TeV 2022 Run 3, are presented. No events seen almost background-free analysis, yielding world-leading constraints on with couplings...
Abstract FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such may be produced in very forward direction of LHC's high-energy collisions and then decay visible inside FASER detector, which placed 480 m downstream ATLAS interaction point, aligned with beam axis. also includes a sub-detector, ν , designed detect neutrinos LHC study their properties. In this paper, each...
A bstract The first FASER search for a light, long-lived particle decaying into pair of photons is reported. uses LHC proton-proton collision data at $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 13 . 6 TeV collected in 2022 and 2023, corresponding to an integrated luminosity 57 7 fb − 1 model with axion-like particles (ALPs) dominantly coupled weak gauge bosons the primary target. Signal events are...
We discuss the sensitivity of $\gamma \gamma \to \tau^+ \tau^-$ process in ultraperipheral Pb+Pb collisions on anomalous magnetic ($a_{\tau}$) and electric ($d_{\tau}$) moments $\tau$ lepton at LHC energies. derive corresponding cross sections by folding elementary section with heavy-ion photon fluxes considering semi-leptonic decays both leptons fiducial volume ATLAS CMS detectors. present predictions for total differential sections, ratios to e^+ e^- (\mu^+ \mu^-$) process. These allow...
The first results of the study high-energy electron neutrino (ν_{e}) and muon (ν_{μ}) charged-current interactions in FASERν emulsion-tungsten detector FASER experiment at LHC are presented. A 128.8 kg subset volume was analyzed after exposure to 9.5 fb^{-1} sqrt[s]=13.6 TeV pp data. Four (eight) ν_{e} interaction candidate events observed with a statistical significance 5.2σ (5.7σ). This is direct observation particle collider includes highest-energy ν_{μ} ever detected from an artificial...
With the discovery of Higgs boson, spectrum particles in Standard Model (SM) is complete. It more important than ever to perform precision measurements and test for deviations from SM predictions electroweak sector. In this report, we investigate two themes arena measurements: observables (EWPOs) that particle content couplings minimal supersymmetric SM, involving multiple gauge bosons final state which provide unique probes basic tenets symmetry breaking. Among EWPOs focus our discussion on...
FASERnu is a proposed small and inexpensive emulsion detector designed to detect collider neutrinos for the first time study their properties. will be located directly in front of FASER, 480 m from ATLAS interaction point along beam collision axis unused service tunnel TI12. From 2021-23 during Run 3 14 TeV LHC, roughly 1,300 electron neutrinos, 20,000 muon 20 tau interact with TeV-scale energies. With ability observe these interactions, reconstruct energies, distinguish flavors, probe...
FASER is a new experiment designed to search for light weakly-interacting long-lived particles (LLPs) and study high-energy neutrino interactions in the very forward region of LHC collisions at CERN. The experimental apparatus situated 480 m downstream ATLAS interaction-point aligned with beam collision axis. detector includes four identical tracker stations constructed from silicon microstrip detectors. Three form tracking spectrometer, enable detect decay products LLPs decaying inside...
The Forward Search Experiment (FASER) at CERN’s Large Hadron Collider (LHC) has recently directly detected the first collider neutrinos. Neutrinos play an important role in all FASER analyses, either as signal or background, and it is therefore essential to understand neutrino event rates. In this study, we update previous simulations present prescriptions for theoretical predictions of fluxes cross sections, together with their associated uncertainties. With these results, discuss potential...
Abstract Neutrinoless double-beta decay (0νββ) is a rare nuclear process that, if observed, will provide insight into the nature of neutrinos and help explain matter-antimatter asymmetry in universe. The Large Enriched Germanium Experiment for Double-Beta Decay (LEGEND) operate two phases to search 0νββ. first (second) stage employ 200 (1000) kg High-Purity (HPGe) enriched 76 Ge achieve half-life sensitivity 10 27 (10 28 ) years. In this study, we present semi-supervised data-driven approach...
This letter of intent proposes an experiment to search for electric dipole moment the muon based on frozen-spin technique. We intend exploit high field, $E=1{\rm GV/m}$, experienced in rest frame with a momentum $p=125 {\rm MeV/}c$ when passing through large magnetic field $|\vec{B}|=3{\rm T}$. Current fluxes at $μ$E1 beam line permit improved sensitivity $σ(d_μ)\leq 6\times10^{-23}e{\rm cm}$, about three orders magnitude more than current upper limit $|d_μ|\leq1.8\times10^{-19}e{\rm...
Abstract The strong-coupling constant is determined from the low-momentum region of transverse-momentum distribution Z bosons produced through Drell–Yan process, using predictions at third order in perturbative QCD. analysis employs a measurement performed proton-antiproton collisions centre-of-mass energy $$\sqrt{s} = 1.96$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>1.96</mml:mn> </mml:mrow>...
FASER, the ForwArd Search ExpeRiment, is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at LHC. Such may be produced in LHC's high-energy collisions large numbers far-forward region and then travel long distances through concrete rock without interacting. They decay visible which placed 480 m downstream of ATLAS interaction point. In this work, we describe FASER program. its first stage, an compact inexpensive detector, sensitive decays...