A5107832339- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Neutrino Physics Research
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Astrophysics and Cosmic Phenomena
- Particle Accelerators and Free-Electron Lasers
- Black Holes and Theoretical Physics
- Radiation Detection and Scintillator Technologies
- Distributed and Parallel Computing Systems
- Nuclear physics research studies
- Superconducting Materials and Applications
- Atomic and Subatomic Physics Research
- Particle accelerators and beam dynamics
- Medical Imaging Techniques and Applications
- Algorithms and Data Compression
- Planetary Science and Exploration
- Nuclear Physics and Applications
- Probability and Risk Models
- Plasma Diagnostics and Applications
- Advanced Queuing Theory Analysis
- Advanced Data Storage Technologies
The University of Texas at Arlington
2013-2024
GSI Helmholtz Centre for Heavy Ion Research
2023-2024
Yonsei University
2024
Central China Normal University
2018-2023
Hunan University
2021-2023
Uppsala University
2020-2023
University of Jyväskylä
2023
University of Bristol
2023
Oklahoma State University
2012-2022
Chungnam National University
2022
This Report summarizes the results of first 10 months' activities LHC Higgs Cross Sections Working Group. The main goal working group was to present status-of-art on Physics at integrating all new that have appeared in last few years. is more than a mere collection proceedings general meetings. subgroups been different directions. An attempt has made from these complete and homogeneous form. subgroups' contributions correspondingly comprise parts Report. A significant amount work performed...
We present measurements of the semi-inclusive cross sections for νμ- and ν¯μ-nucleon deep inelastic scattering interactions with two oppositely charged muons in final state. These events dominantly arise from production a charm quark during process. The measurement was obtained analysis 5102 νμ-induced 1458 ν¯μ-induced collected NuTeV detector exposed to sign-selected beam at Fermilab Tevatron. also extract cross-section reanalysis 5030 1060 exposure same quad-triplet by Chicago Columbia...
An analog hadron calorimeter (AHCAL) prototype of 5.3 nuclear interaction lengths thickness has been constructed by members the CALICE Collaboration. The AHCAL consists a 38-layer sandwich structure steel plates and highly-segmented scintillator tiles that are read out wavelength-shifting fibers coupled to SiPMs. signal is amplified shaped with custom-designed ASIC. A calibration/monitoring system based on LED light was developed monitor SiPM gain measure full response curve in order correct...
The CALICE collaboration is studying the design of high performance electromagnetic and hadronic calorimeters for future International Linear Collider detectors. For calorimeter, current baseline choice a granularity sampling calorimeter with tungsten as absorber silicon detectors sensitive material. A ``physics prototype'' has been constructed, consisting thirty layers. Each layer an active area 18 × cm2 pad size 1 cm2. thickness totals 24 radiation lengths. It exposed in 2006 2007 to...
The 2011 Les Houches workshop was the first to confront LHC data. In two years since previous there have been significant advances in both soft and hard QCD, particularly areas of multi-leg NLO calculations, inclusion those calculations into parton shower Monte Carlos, tuning non-perturbative parameters Carlos. These proceedings describe theoretical that taken place, impact early data, for future development.
The NuTeV Collaboration recently reported a value of ${\mathrm{sin}}^{2}{\ensuremath{\theta}}_{W}$ measured in neutrino-nucleon scattering that is 3 standard deviations above the model prediction. This result derived assuming (1) strange sea quark-antiquark symmetric, $s(x)=\overline{s}(x),$ and (2) up down quark distributions are symmetric under simultaneous interchange $u\ensuremath{\leftrightarrow}d$ $p\ensuremath{\leftrightarrow}n.$ We report impact violations these symmetries on discuss...
Abstract In this paper, we review scientific opportunities and challenges related to detection reconstruction of low-energy (less than 100 MeV) signatures in liquid argon time-projection chamber (LArTPC) neutrino detectors. LArTPC detectors designed for performing precise long-baseline oscillation measurements with GeV-scale accelerator beams also have unique sensitivity a range physics astrophysics via event features at below the few tens MeV range. addition, are an integral part...
We report on the extraction of structure functions F2 and DeltaxF(3) = xF(nu)(3)-xF(nu;)(3) from CCFR nu(mu)-Fe nu;(mu)-Fe differential cross sections. The is performed in a physics model-independent (PMI) way. This first measurement DeltaxF(3), which useful testing models heavy charm production, higher than current theoretical predictions. ratio values measured nu(mu) mu scattering agreement (within 5%) with predictions next-to-leading-order parton distribution using massive production...
The energy resolution of a highly granular 1 m3 analogue scintillator-steel hadronic calorimeter is studied using charged pions with energies from 10 GeV to 80 at the CERN SPS. for single hadrons determined be approximately 58%/sqrt(E/GeV}. This improved 45%/sqrt(E/GeV) software compensation techniques. These techniques take advantage event-by-event information about substructure showers which provided by imaging capabilities calorimeter. reconstruction either corrections based on local...
Limits on $\nu_\mu (\overline{\nu}_\mu) \to \nu_e (\overline{\nu}_e)$ oscillations based a statistical separation of $\nu_e N$ charged current interactions in the CCFR detector at Fermilab are presented. $\nu_e$ identified by difference longitudinal shower energy deposition pattern N \rightarrow eX$ versus \nu_\mu X$ interactions. Neutrino energies range from 30 to 600 GeV with mean 140 GeV, and $\nu_\mu$ flight lengths vary 0.9 km 1.4 km. The lowest 90% confidence upper limit $sin^2...
Precise calorimetric reconstruction of 5-50 MeV electrons in liquid argon time projection chambers (LArTPCs) will enable the study astrophysical neutrinos DUNE and could enhance physics reach oscillation analyses. Liquid scintillation light has potential to improve energy for low-energy over charge-based measurements alone. Here we demonstrate light-augmented calorimetry a single-phase LArTPC using sample Michel from decays stopping cosmic muons LArIAT experiment at Fermilab. electron...
A novel system has been developed to detect simultaneous double-alpha emission from purified and weightless sources. The includes the collection of 224Ra low-energy recoils in helium buffer gas decay 228Th. recoil products are thermalized collected a cryogenic cell extracted into an RF-ion guide for mass selection. mass-separated ions implanted at low kinetic energy thin carbon foil placed between two large-area double-sided silicon strip detectors observe correlated alpha-particle emission....
A prototype silicon-tungsten electromagnetic calorimeter for an ILC detector was tested in 2007 at the CERN SPS test beam. Data were collected with electron and hadron beams energy range 8 to 80 GeV. The analysis described here focuses on interactions of pions calorimeter. One main objectives CALICE program is validate Monte Carlo tools available design a full-sized detector. Si-W are therefore confronted predictions various physical models implemented GEANT4simulation framework.
Calorimeters with a high granularity are fundamental requirement of the Particle Flow paradigm. This paper focuses on prototype hadron calorimeter analog readout, consisting thirty-eight scintillator layers alternating steel absorber planes. The plates finely segmented into tiles individually read out via Silicon Photomultipliers. presented results based data collected pion beams in energy range from 8 GeV to 100 GeV. fine segmentation sensitive and sampling frequency allow for an excellent...
We present evidence for the diffractive processes νμFe→μ−D+S(D*S)Fe and ¯νμFe→μ+D−S(D*S)Fe using Fermilab SSQT neutrino beam Lab E detector. The data are consistent with standard model production of trident reactions νμFe→νμμ−μ+Fe ¯νμFe→¯νμμ+μ−Fe. see no neutral-current J/ψ via either or deep inelastic scattering mechanisms.Received 24 September 1999DOI:https://doi.org/10.1103/PhysRevD.61.092001©2000 American Physical Society
The intrinsic time structure of hadronic showers influences the timing capability and required integration calorimeters in particle physics experiments, depends on active medium absorber calorimeter. With CALICE T3B experiment, a setup 15 small plastic scintillator tiles read out with Silicon Photomultipliers, is measured statistical basis high spatial temporal resolution sampling tungsten steel absorbers. results are compared to GEANT4 (version 9.4 patch 03) simulations different models....
A new structure function analysis of CCFR deep inelastic nu-N and scattering data is presented for previously unexplored kinematic regions down to Bjorken x = 0.0045 Q(2) 0.3 GeV(2). Comparisons charged lepton from NMC E665 experiments are made the behavior F(2)(nu)2 studied in limit Q(2)-->0.
This paper presents the physics case for a new high-energy, ultra-high statistics neutrino scattering experiment, NuSOnG (Neutrino Scattering on Glass). experiment uses Tevatron-based beam to obtain over an order of magnitude higher than presently available purely weak processes ν μ + e - → and . A sample Deep Inelastic events which is two orders larger past samples will also be obtained. As result, unique among present planned experiments its ability probe couplings Beyond Standard Model...
We report on the extraction of R = sigma(L)/sigma(T) from CCFR nu(mu)-Fe and differential cross sections. The sections do not show deviations QCD expectations that are seen in CDHSW data at very low high x. as measured nu(mu) scattering is agreement with muon electron scattering. All for Q(2)>1 GeV(2) a NNLO calculation which uses parton distribution functions includes target mass effects. first measurements x Q(2)<1 region (where an anomalous large rise nuclear targets has been observed by...
We present the first measurement of negative pion total hadronic cross section on argon in a restricted phase space, which we performed at Liquid Argon In A Testbeam (LArIAT) experiment. All reaction channels, as well elastic interactions with scattering angle greater than 5\ifmmode^\circ\else\textdegree\fi{} are included. The pions have kinetic energies range 100--700 MeV and produced by beam charged particles impinging solid target Fermilab test facility. LArIAT employs 0.24 ton active...