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Related papers: Open charm and dileptons from relativistic heavy-i…

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Dileptons are considered as one of the cleanest signals of the quark-gluon plasma (QGP), however, the QGP radiation is masked by many 'background' sources from either hadronic decays or semileptonic decays from correlated charm pairs. In…

Nuclear Theory · Physics 2018-06-20 Taesoo Song , Wolfgang Cassing , Pierre Moreau , Elena Bratkovskaya

We investigate dilepton production in heavy-ion, proton-proton, and proton-nucleus collisions from low energies of 1 AGeV (SIS) to ultra-relativistic energies (LHC) using the Parton-Hadron-String Dynamics (PHSD) transport approach. PHSD is…

Nuclear Theory · Physics 2025-05-29 Adrian William Romero Jorge , Taesoo Song , Qi Zhou , Elena Bratkovskaya

We investigate the thermal production of charm quarks in the strongly interacting quark-gluon plasma (sQGP) created in heavy-ion collisions at relativistic energies. Our study is based on the off-shell parton-hadron-string dynamics (PHSD)…

Nuclear Theory · Physics 2025-02-28 Taesoo Song , Ilia Grishmanovskii , Olga Soloveva , Elena Bratkovskaya

We study charm production in ultra-relativistic heavy-ion collisions by using the Parton-Hadron-String Dynamics (PHSD) transport approach. The initial charm quarks are produced by the Pythia event generator tuned to fit the transverse…

Relativistic heavy-ion collisions produce a hot and dense thermalized medium, that is expected to emit thermal radiation in form of dileptons. These dileptons are not affected by the strong force and are therefore a clean probe for the…

High Energy Physics - Phenomenology · Physics 2013-06-03 Thomas Lang , Hendrik van Hees , Jan Steinheimer , Marcus Bleicher

Dilepton production in relativistic heavy-ion collisions is studied within the microscopic Parton-Hadron-String Dynamics (PHSD) transport approach, which is based on a dynamical quasiparticle model (DQPM) matched to reproduce lattice QCD…

Nuclear Theory · Physics 2015-05-20 O. Linnyk , W. Cassing , E. L. Bratkovskaya , J. Manninen

We study charm production in ultra-relativistic heavy-ion collisions by using the Parton-Hadron-String Dynamics (PHSD) transport approach. The initial charm quarks are produced by the PYTHIA event generator tuned to fit the transverse…

Nuclear Theory · Physics 2016-02-17 E. L. Bratkovskaya , T. Song , H. Berrehrah , D. Cabrera , J. M. Torres-Rincon , L. Tolos , W. Cassing

We address the dilepton production from the parton interactions in the early stage of relativistic heavy-ion collisions within the parton-hadron-string dynamics (PHSD) off-shell transport approach. The description of partons in PHSD is…

Nuclear Theory · Physics 2011-09-30 O. Linnyk , E. L. Bratkovskaya , J. Manninen , W. Cassing

According to the dynamical quasiparticle model (DQPM) - matched to reproduce lattice QCD results in thermodynamic limit, - the constituents of the strongly interacting quark-gluon plasma (sQGP) are massive and off-shell quasi-particles…

Nuclear Theory · Physics 2015-05-18 O. Linnyk , E. L. Bratkovskaya , W. Cassing

According to the dynamical quasiparticle model (DQPM) -- matched to reproduce lattice QCD results in thermodynamic limit, -- the constituents of the strongly interacting quark-gluon plasma (sQGP) are massive and off-shell quasi-particles…

Nuclear Theory · Physics 2014-11-20 E. L. Bratkovskaya , O. Linnyk , W. Cassing

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 investigate the properties of the QCD matter across the deconfinement phase transition in the scope of the parton-hadron string dynamics (PHSD) transport approach. We present here in particular the results on the electromagnetic…

Nuclear Theory · Physics 2014-09-16 E. L. Bratkovskaya , O. Linnyk , W. Cassing

In this review we address the dynamics of relativistic heavy-ion reactions and in particular the information obtained from electromagnetic probes that stem from the partonic and hadronic phases. The out-of-equilibrium description of…

Nuclear Theory · Physics 2016-02-17 O. Linnyk , E. L. Bratkovskaya , W. Cassing

Dilepton production in In+In collisions at 158 AGeV is studied within the microscopic Parton-Hadron-Strings Dynamics (PHSD) transport approach, which is based on a dynamical quasiparticle model (DQPM) matched to reproduce lattice QCD…

Nuclear Theory · Physics 2009-11-18 O. Linnyk , E. L. Bratkovskaya , W. Cassing

Dilepton production in In+In collisions at 158 AGeV is studied within the microscopic parton-hadron-string dynamics (PHSD) transport approach that incorporates explicit partonic degrees-of-freedom, dynamical hadronization as well as the…

Nuclear Theory · Physics 2015-05-28 O. Linnyk , E. L. Bratkovskaya , V. Ozvenchuk , W. Cassing , C. M. Ko

We present a theoretical framework to study open charm production in relativistic heavy-ion collisions. The coupling strength between the charm quarks and the QGP constituents, quantified by the spatial diffusion coefficient $2\pi TD_{s}$,…

High Energy Physics - Phenomenology · Physics 2018-08-01 Shuang Li , Chaowen Wang , Xianbao Yuan , Shengqin Feng

Heavy flavor particles provide important probes of the microscopic structure and thermodynamic properties of the quark-gluon plasma (QGP) produced in high-energy nucleus-nucleus collisions. We study the energy loss and flow of charm and…

High Energy Physics - Phenomenology · Physics 2024-03-13 Shu-Qing Li , Wen-Jing Xing , Shanshan Cao , Guang-You Qin

The dynamics of partons and hadrons in relativistic nucleus-nucleus collisions is analyzed within the novel Parton-Hadron-String Dynamics (PHSD) transport approach, which is based on a dynamical quasiparticle model for the partonic phase…

We address dilepton production in Au+Au collisions at sqrt(s_NN)=200 GeV by employing the parton-hadron-string dynamics (PHSD) off-shell transport approach. Within the PHSD one goes beyond the quasiparticle approximation by solving…

Nuclear Theory · Physics 2015-06-03 O. Linnyk , W. Cassing , J. Manninen , E. L. Bratkovskaya , C. M. Ko

The QGP that might be created in ultrarelativistic heavy-ion collisions is expected to radiate thermal dilepton radiation. However, this thermal dilepton radiation interferes with dileptons originating from hadron decays. In the invariant…

High Energy Physics - Phenomenology · Physics 2013-06-13 Thomas Lang , Hendrik van Hees , Jan Steinheimer , Marcus Bleicher
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