A5105298228- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Cosmology and Gravitation Theories
- Dark Matter and Cosmic Phenomena
- Black Holes and Theoretical Physics
- Particle Detector Development and Performance
- Distributed and Parallel Computing Systems
- Photonic and Optical Devices
- Optical Network Technologies
- Neutrino Physics Research
- Superconducting Materials and Applications
- Computational Physics and Python Applications
- Noncommutative and Quantum Gravity Theories
- Quantum Information and Cryptography
- Cold Atom Physics and Bose-Einstein Condensates
- Algebraic and Geometric Analysis
Farmingdale State College
2014-2023
Stony Brook University
2002-2016
Florida State University
2006-2007
Brookhaven National Laboratory
2002-2004
State University of New York
2002
The goal of this report is to give a comprehensive overview the rich field forward physics, with special attention topics that can be studied at LHC.The starts presenting selection Monte Carlo simulation tools currently available, chapter 2, then enters phenomenology QCD low, 3, and high, 4, momentum transfer, while unique scattering conditions central exclusive production are analyzed in 5.The last two experimental topics, Cosmic Ray Heavy Ion physics presented 6 7 respectively.Chapter 8...
In the QCD evolution of transverse momentum dependent parton distribution and fragmentation functions, Collins-Soper kernel includes both a perturbative short-distance contribution large-distance nonperturbative, but strongly universal, contribution. past, global fits, based mainly on larger $Q$ Drell-Yan--like processes, have found substantial contributions from nonperturbative regions in kernel. this article, we investigate semi-inclusive deep inelastic scattering measurements region...
In this paper, we construct the complete set of minimal 3-point vertices for massive Standard Model (SM) based purely on symmetry principles, mass dimension and high-energy behavior without any recourse to field theory, gauge symmetries or Feynman rules. Because gravitational are no more challenging than other in constructive method, include them as well. We also calculate these compare with well-known massless vertices, both a check way pin down normalization constants. all tables reference...
We find the correct spinor amplitude for a simple photon-mediated process and show that, in contrast, result same using standard constructive techniques do not agree with Feynman diagrams when fermions are massive. Along way, we analyze $x$ factor used photon vertices, work out shifts massive particles momenta analytically continued consider large $z$ limit of amplitudes this paper that does vanish any choice two its momenta. For comparison process, also describe processes external photons...
The search for Higgs bosons in both the standard model and its extensions is well under way at Tevatron. As integrated luminosity collected increases into multiple inverse femptobarn range, these searches are becoming very interesting indeed. Meanwhile, construction of Large Hadron Collider (LHC) associated experiments CERN nearing completion. In this TeV4LHC workshop, it was realized that any experience Tevatron with respect to backgrounds, experimental techniques theoretical calculations...
We further develop the massive constructive theory of Standard Model and use it to calculate amplitude squared for all two-body decays, a collection weak three-body as well Higgs decay four neutrinos. compare our results with those from Feynman diagrams find complete agreement. show that in cases considered here, amplitudes theories are significantly simpler than resulting diagrams. In fact, naive counting number calculations required matrix-element generator compute phase-space point is...
The production of the standard model Higgs boson (H) plus one jet is compared with that lightest scalar ${(h}^{0})$ and pseudoscalar ${(A}^{0})$ jet. latter particles belong to minimal supersymmetric model. We include both top bottom quark loops lowest order in QCD investigate limits small mass infinite mass. give results for CERN Large Hadron Collider Fermilab Tevatron.
The experiments at Run 2 of the Tevatron have each accumulated over 1 inverse femtobarn high-transverse momentum data. Such a dataset allows for first precision (i.e. comparisons between theory and experiment few percent level) tests QCD hadron collider. While Large Hadron Collider has been designed as discovery machine, basic analyses will still need to be performed understand working environment. Tevatron-for-LHC workshop was conceived communication link pass on expertise test new analysis...
We have computed the full next-to-leading (NLO) QCD corrections to differential distributions $d^2σ/(dp_T~dy)$ for pseudo-scalar Higgs (A) production at large hadron colliders. This calculation has been carried out using effective Lagrangian approach which is valid as long mass of boson $m_{\rm A}$ and its transverse momentum $p_T$ do not exceed top-quark $m_t$. The shape hardly differ from those obtained scalar (H) because, apart overall coupling constant mass, there are only small...
The region of small transverse momentum in $q\overline{q}$- and $gg$-initiated processes must be studied the framework resummation to account for large, logarithmically enhanced contributions physical observables. In this paper, we will calculate fixed order next-to-leading perturbative total differential cross sections both a Standard Model scalar Higgs boson Minimal Supersymmetric Model's pseudoscalar Heavy Quark Effective Theory where mass top quark is taken infinite. Resummation...
In this paper we examine the production channels for scalar or pseudoscalar Higgs boson plus two jets at CERN Large Hadron Collider. We identify possible signals distinguishing between a and boson.
A Higgs boson produced in association with one or more bottom quarks is of great theoretical and experimental interest to the high-energy community. precise prediction its total differential cross section can have a impact on discovery large bottom-quark Yukawa coupling, like scalar (${h}^{0}$ ${H}^{0}$) pseudoscalar (${A}^{0}$) bosons minimal supersymmetric standard model region $\mathrm{tan}\ensuremath{\beta}$. In this paper we apply threshold resummation formalism determine both sections...
The CP-odd Higgs boson $A^0$ of the Minimal Supersymmetric Standard Model (MSSM) and Two Doublet (2HDM) will usually decay into heaviest possible fermion -- antifermion pair available. $A^0 \to VV$ where, $V =γ, Z, W^\pm$, gluons are particular interest as they not allowed at tree level hence may offer information about underlying new physics that enters one loop level. In this paper all branching ratios both in MSSM 2HDM presented for channel including relevant (SM) particles. This...
We find the correct spinor amplitude for a simple photon-mediated process and show that, in contrast, result same using standard constructive techniques do not agree with Feynman diagrams when fermions are massive. Along way, we analyze $x$ factor used photon vertices, work out shifts massive particles momenta analytically continued consider large $z$ limit of amplitudes this paper that does vanish any choice two its momenta. For comparison process, also describe processes external photons...
The region of small transverse momentum in q-qbar- and gg-initiated processes must be studied the framework resummation to account for large, logarithmically-enhanced contributions physical observables. In this letter, we study resummed differential cross-sections Higgs production via bottom-quark fusion. We find that distribution peaks at approximately 15 GeV, a number great experimental importance measuring channel.
We study the production of a pseudoscalar Higgs boson A^0 in association with Z^0 at future international linear collider (ILC). consider contributions to this process one loop level Minimal Supersymmetric Standard Model (MSSM) from top and bottom quarks as well stop sbottom squarks. also squark decay widths for decays --> γZ^0$ Z^0. The contribution supersymmetric loops are found be directly proportional mixing potentially large due massive coupling