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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

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

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…

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…

In this study we investigate the dynamics of strongly interacting parton-hadron matter by calculating the centrality dependence of direct photons produced in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV within the Parton-Hadron-String…

Nuclear Theory · Physics 2014-12-10 W. Cassing , O. Linnyk , E. L. Bratkovskaya

The dynamics of partons, hadrons and strings 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 partons…

Nuclear Theory · Physics 2015-06-04 E. L. Bratkovskaya , V. P. Konchakovski , V. Voronyuk , V. D. Toneev , O. Linnyk , W. Cassing

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 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

Relativistic heavy-ion collisions produce a hot and dense nuclear matter, through which one can study the phase diagram of QCD. Open and hidden heavy flavors are promising probes to search for the properties of the hot and dense nuclear…

Nuclear Theory · Physics 2023-10-16 Taesoo Song , Joerg Aichelin , Elena Bratkovskaya

We study the transverse momentum spectrum and the elliptic flow v2 of photons produced in Au+Au collisions at sqrt(s)=200 GeV using the Parton-Hadron-String Dynamics (PHSD) transport approach. As sources for photon production, we…

Nuclear Theory · Physics 2013-09-18 O. Linnyk , V. P. Konchakovski , W. Cassing , E. L. Bratkovskaya

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

A status report of utilizing soft electromagnetic radiation (aka thermal photons and dileptons) in the diagnosis of strongly interacting matter in ultrarelativistic heavy-ion collisions is given. After briefly elaborating on relations of…

Nuclear Theory · Physics 2011-10-20 Ralf Rapp

The novel Parton-Hadron-String Dynamics (PHSD) transport approach is applied to nucleus-nucleus collisions at RHIC energies with respect to differential hadronic spectra in comparison to available data. The PHSD approach is based on a…

Nuclear Theory · Physics 2015-05-27 E. L. Bratkovskaya , W. Cassing , V. P. Konchakovski , O. Linnyk

Direct photon spectra and elliptic flow v2 in heavy-ion collisions at RHIC and LHC energies are investigated within a relativistic transport approach incorporating both hadronic and partonic phases - the Parton-Hadron-String Dynamics…

Nuclear Theory · Physics 2015-02-09 O. Linnyk , E. L. Bratkovskaya , W. Cassing

The direct photon spectra and flow ($v_2$, $v_3$) in heavy-ion collisions at SPS, RHIC and LHC energies are investigated within a relativistic transport approach incorporating both hadronic and partonic phases -- the Parton-Hadron-String…

Nuclear Theory · Physics 2015-12-02 O. Linnyk , V. Konchakovski , T. Steinert , W. Cassing , E. L. Bratkovskaya

We present the basic ideas of the Parton-Hadron-String Dynamics (PHSD) transport approach which is a microscopic covariant dynamical model for strongly interacting systems formulated on the basis of Kadanoff-Baym equations for Green's…

Nuclear Theory · Physics 2019-08-02 E. L. Bratkovskaya , W. Cassing , P. Moreau , L. Oliva , O. E. Soloveva , T. Song

Dilepton and photon production in heavy-ion collisions at SPS energies are studied in the relativistic transport model that incorporates self-consistently the change of hadron masses in dense matter. It is found that the dilepton spectra in…

Nuclear Theory · Physics 2009-10-30 G. Q. Li , G. E. Brown , C. M. Ko

I present recent results on the theory of QCD matter production in high energy heavy ion collisions and on the interactions of heavy quarks in such environment. The centrality and rapidity dependence of hadron production is evaluated in…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Kharzeev

The transition from hadronic to partonic degrees of freedom in the course of a relativistic heavy-ion collision is described by the microscopic covariant Parton-Hadron-String Dynamics (PHSD) transport approach. Studying Pb+Pb reactions from…

Nuclear Theory · Physics 2010-07-19 E. L. Bratkovskaya , O. Linnyk , V. P. Konchakovski , M. I. Gorenstein , W. Cassing
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