D. Chakraborty
A5055845312- 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
- Distributed and Parallel Computing Systems
- Radiation Detection and Scintillator Technologies
- Medical Imaging Techniques and Applications
- Astrophysics and Cosmic Phenomena
- Particle Accelerators and Free-Electron Lasers
- Black Holes and Theoretical Physics
- Atomic and Subatomic Physics Research
- Superconducting Materials and Applications
- Advanced Data Storage Technologies
- Particle accelerators and beam dynamics
- Algorithms and Data Compression
- Muon and positron interactions and applications
- advanced mathematical theories
- Probability and Risk Models
- Advanced Queuing Theory Analysis
- Religion, Society, and Development
- Islamic Studies and History
Northern Illinois University
2016-2025
University of California, Santa Cruz
2018-2024
Rutherford Appleton Laboratory
2017-2024
University of Geneva
2024
Istanbul University
2024
A. Alikhanyan National Laboratory
2024
Atlas Scientific (United States)
2024
The University of Adelaide
2016-2023
Boğaziçi University
2021-2023
Universität Innsbruck
2020
The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 3,062 new measurements 721 papers, we list, evaluate, average measured properties gauge bosons the recently discovered Higgs boson, leptons, quarks, mesons, baryons. We summarize searches for hypothetical particles such as supersymmetric particles, heavy bosons, axions, dark photons, etc. All search limits are listed in Summary Tables. also give numerous tables, figures, formulae, reviews...
Abstract The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 3,324 new measurements 878 papers, we list, evaluate, average measured properties gauge bosons the recently discovered Higgs boson, leptons, quarks, mesons, baryons. We summarize searches for hypothetical particles such as supersymmetric particles, heavy bosons, axions, dark photons, etc. Particle search limits are listed in Summary Tables. give numerous tables, figures, formulae,...
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...
We present a measurement of the elastic differential cross section $d\ensuremath{\sigma}(p\overline{p}\ensuremath{\rightarrow}p\overline{p})/dt$ as function four-momentum-transfer squared $t$. The data sample corresponds to an integrated luminosity $\ensuremath{\approx}31\text{ }\text{ }{\mathrm{nb}}^{\ensuremath{-}1}$ collected with D0 detector using dedicated Tevatron $p\overline{p}$ Collider operating conditions at $\sqrt{s}=1.96\text{ }\mathrm{TeV}$ and covers range $0.26<|t|<1.2\text{...
We present an analysis of the discovery reach for supersymmetric particles at upgraded Tevatron collider, assuming that SUSY breaking results in universal soft parameters grand unification scale, and lightest particle is stable neutral. first a review literature, including issues unification, renormalization group evolution supersymmetry effect radiative corrections on effective low energy couplings masses theory. consider experimental bounds coming from direct searches those arising...
▪ Abstract We survey top-quark physics from what has been learned so far at the Tevatron to searches planned present and future colliders. summarize richness of measurements discuss their possible impact on our understanding standard model by pointing out key elements limitations. how top quark may provide a connection new or unexpected physics. The literature many topics we address is sizeable. attempt consolidate most salient points into complete, coherent overview.
We present a measurement of the W boson mass using data collected by D0 experiment at Fermilab Tevatron during 1994–1995. identify bosons their decays to eν final states. extract MW fitting transverse and electron momentum spectra from sample 28 323 −→Weν decay candidates. use 3563 dielectron events, mostly due →Zee decays, constrain our model detector response. From fit we measure MW=80.44±0.10(stat)±0.07(syst) GeV. Combining this with previously published result taken in 1992–1993, obtain...
We present measurements of the tWb coupling form factors using information from electroweak single top quark production and helicity W bosons decays in ttbar events. set upper limits on anomalous data collected with D0 detector at Tevatron ppbar collider corresponding to an integrated luminosity 5.4 fb^-1.
We present a measurement of the transverse momentum distribution Z bosons produced in p¯p collisions at √s=1.8 TeV from data collected by DØ experiment Fermilab Tevatron Collider. find good agreement between our results and current resummation calculations, also use to extract nonperturbative parameters for particular version formalism. The resulting values are significantly more precise than obtained previous determinations.Received 11 October...
We present results on dijet production via hard color-singlet exchange in proton-antiproton collisions at s=630 GeV and 1800 using the DØ detector. The fraction of events produced is measured as a function jet transverse energy, separation pseudorapidity between two highest energy jets, center-of-mass energy. are consistent with that increases an increasing quark-initiated processes inconsistent two-gluon models for color-singlet.
We present a measurement of the $W$ boson pair-production cross section in $p\overline{p}$ collisions at center-of-mass energy $\sqrt{s}=1.96\text{ }\text{ }\mathrm{TeV}$. The data, collected with Run II D0 detector Fermilab, correspond to an integrated luminosity $224--252\text{ }{\mathrm{pb}}^{\ensuremath{-}1}$ depending on final state ($ee$, $e\ensuremath{\mu}$, or $\ensuremath{\mu}\ensuremath{\mu}$). observe 25 candidates background expectation...
We present a new measurement of the production cross section $\sigma(p\bar{p} \rightarrow ZZ)$ at center-of-mass energy $\sqrt{s}=1.96$ TeV, obtained from analysis four charged lepton final state $\ell^{+}\ell^{-}\ell^{'+} \ell^{'-}$ ($\ell$, $\ell^{'}$ = $e$ or $\mu$). observe ten candidate events with an expected background $0.37 \pm 0.13$ events. The measured \to ZZ)= 1.26^{+0.47}_{-0.37} \mathrm{(stat)} 0.14 \mathrm{(syst)}$ pb is in agreement NLO QCD predictions. This result combined...
Using the D0 detector, we have studied events produced in proton-antiproton collisions that contain large forward regions with very little energy deposition (``rapidity gaps'') and concurrent jet production at center-of-mass energies of root-s = 630 1800 Gev. The fractions central associated such rapidity gaps are measured compared to predictions from Monte Carlo models. For hard diffractive candidate events, use calorimeter extract fractional momentum loss scattered protons.
The ratio of the B+ and B0 meson lifetimes was measured using data collected in 2002-2004 by D0 experiment Run II Fermilab Tevatron Collider. These mesons were reconstructed B-->mu(+)nuD(*-)X decays, which are dominated B-->mu(+)nuD 0X B+. is to be tau(+)/tau(0)=1.080+/-0.016(stat)+/-0.014(syst).
The ability to distinguish between hadronic W and Z decays is one of the most challenging requirements for future linear collider detector. Such sensitivity requires unprecedented jet energy resolution, which may be possible with energy-flow algorithms. A calorimeter that optimized must have fine lateral longitudinal segmentation. Small scintillating cells wavelength shifting fibre readout represent an attractive basis a digital hadron trades dynamic range superior granularity, at affordable...