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A 1+3 dimensional solution of relativistic hydrodynamics is analyzed in this paper. Momentum distribution and other observables are calculated from the solution and compared to hadronic measurements from the Relativistic Heavy Ion Collider…

Nuclear Theory · Physics 2017-08-23 Mate Csanad

A dynamical appearance of scaling solutions in the relativistic hydrodynamics applied to describe ultra-relativistic heavy-ion collisions is studied. We consider the boost-invariant cylindrically symmetric systems and the effects of the…

Nuclear Theory · Physics 2009-11-10 Mikolaj Chojnacki , Wojciech Florkowski , Tamas Csorgo

In the prospect of diffractive Higgs production at the LHC collider, we give an extensive study of Higgs boson, dijet, diphoton and dilepton production at hadronic colliders via diffraction at both hadron vertices. Our model, based on non…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Boonekamp , R. Peschanski , C. Royon

We study the production of photons and dileptons during the pre-equilibrium Glasma stage in heavy ion collisions and discuss the implications in light of the PHENIX data. We find that the measured distributions of such electromagnetic…

The inclusive reactions $pp \rightarrow e^+ e^- X$ and $np \rightarrow e^+ e^- X$ at the laboratory kinetic energy of 1.25 GeV are investigated in a model of dominance of nucleon and $\Delta$ resonances. Experimental data for these…

Nuclear Theory · Physics 2015-05-30 B. V. Martemyanov , M. I. Krivoruchenko , Amand Faessler

A phenomenological analysis of the experimental measurements of transverse momentum spectra of identified charged hadrons and strange hyperons in Pb-Pb and Xe-Xe collisions at the LHC is presented. The analysis is based on the relativistic…

High Energy Physics - Phenomenology · Physics 2023-12-21 L. Vermunt , Y. Seemann , A. Dubla , S. Floerchinger , E. Grossi , A. Kirchner , S. Masciocchi , I. Selyuzhenkov

We study e^+e^- pair production in proton-proton and central Pb+Pb collisions at sqrt(s_NN)=2.76 TeV within two models: an extended statistical hadronization model (SHM) and the Parton-Hadron-String Dynamics (PHSD) transport approach. We…

Nuclear Theory · Physics 2013-01-28 O. Linnyk , W. Cassing , J. Manninen , E. L. Bratkovskaya , P. B. Gossiaux , J. Aichelin , T. Song , C. M. Ko

We present the first theoretical study of the polarization of lepton pairs produced in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV Pb+Pb collisions at the LHC, using next-to-leading order (NLO) dilepton emission rates. These calculations employ a…

Nuclear Theory · Physics 2025-06-23 Xiang-Yu Wu , Han Gao , Bailey Forster , Charles Gale , Greg Jackson , Sangyong Jeon

We study particle production and its density evolution and equilibration in hot dense medium. One type of hot dense medium, which we study, is hadronic gas produced at quark gluon plasma hadronization in heavy ions collisions in SPS, RHIC…

High Energy Physics - Theory · Physics 2009-09-04 Inga Kuznetsova

Dilepton production provides a unique probe of the strong electromagnetic field produced in heavy-ion collisions. To map out the behavior of its transverse momentum broadening, we present a theoretical model based on the equivalent photon…

Nuclear Theory · Physics 2024-06-14 Kewei Yu , Jiazhen Peng , Shuang Li , Kejun Wu , Wei Xie , Fei Sun

The effects of collisional processes in the hot QCD medium to thermal dilepton production from $q\overline{q}$ annihilation in relativistic heavy-ion collisions have been investigated. The non-equilibrium corrections to the momentum…

High Energy Physics - Phenomenology · Physics 2022-09-02 Lakshmi J. Naik , V. Sreekanth , Manu Kurian , Vinod Chandra

Transverse momentum distributions and generalized parton distributions provide a comprehensive framework for the three-dimensional imaging of the nucleon and the nucleus experimentally using deeply virtual semi-exclusive and exclusive…

We study the charmed meson and baryon production and elliptic flow in ultra-relativistic nucleus-nucleus collisions at the LHC energies. The space-time evolution of quark-gluon plasma (QGP) produced in these energetic collisions is obtained…

High Energy Physics - Phenomenology · Physics 2024-02-07 Yu-Fei Liu , Wen-Jing Xing , Xiang-Yu Wu , Shanshan Cao , Guang-You Qin , Shu-Qing Li

We review the current understanding of time-like virtual photon emission from QCD matter. The phenomenology of dilepton emission is discussed and basic theoretical concepts are introduced. The experimental findings are presented, grouped…

Nuclear Experiment · Physics 2021-07-20 Piotr Salabura , Joachim Stroth

A simple schematic model anchored on the notion of hadronic freedom inferred from hidden local symmetry in the vector manifestation, the infinite tower of vector mesons in holographic QCD and "stickiness" of $\pi\pi$ interactions inferred…

Nuclear Theory · Physics 2008-08-19 Gerald E. Brown , Jeremy W. Holt , Mannque Rho

Recent development of a hydrodynamic model is discussed by putting an emphasis on realistic treatment of the early and late stages in relativistic heavy ion collisions. The model, which incorporates a hydrodynamic description of the…

Nuclear Theory · Physics 2008-11-26 Tetsufumi Hirano

Using ideal relativistic hydrodynamics in 2+1 dimensions, we study the collision energy dependence of radial and elliptic flow, of the emitted hadron spectra, and of the transverse momentum dependence of several hadronic particle ratios,…

Nuclear Theory · Physics 2009-07-22 Gregory Kestin , Ulrich W Heinz

The matter created in relativistic heavy ion collisions is fairly well described by ideal hydrodynamics, and somewhat better described by viscous hydrodynamics. To this point, most viscous calculations have been two-dimensional, based on an…

Nuclear Theory · Physics 2015-06-04 Joshua Vredevoogd , Scott Pratt

The production of large $p_{T}$ dileptons and photons originating from photoproduction processes in p-p collisions at Large Hadron Collider energies is calculated. The comparisons between the exact treatment results and the ones of the…

High Energy Physics - Phenomenology · Physics 2018-04-18 Zhi-Lei Ma , Jia-Qing Zhu

The time evolution of the medium created in heavy ion collisions can be described by hydrodynamical models. After expansion and cooling, the hadrons are created in a freeze-out. Their distribution describes the final state of this medium.…

Nuclear Theory · Physics 2014-11-25 Mate Csanad , Andras Szabo