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Related papers: Probing the QCD phase diagram with dileptons - a s…

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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

Exclusive photoproduction of dileptons, gamma p ->l+ l- p, will be measured in ultraperipheral collisions at LHC. The mechanism where the lepton pair comes from a heavy timelike photon radiated from a quark interferes with the pure QED…

High Energy Physics - Phenomenology · Physics 2008-12-18 B. Pire , L. Szymanowski , J. Wagner

In statistical QCD, the thermal properties of the quark-gluon plasma can be determined by studying the in-medium behaviour of heavy quark bound states. The results can be applied to quarkonium production in high energy nuclear collisions,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Helmut Satz

We review the potential of precise measurements of electromagnetic probes in relativistic heavy-ion collisions for the theoretical understanding of strongly interacting matter. The penetrating nature of photons and dileptons implies that…

High Energy Physics - Phenomenology · Physics 2016-08-23 R. Rapp , H. van Hees

In relativistic ion collisions there are excellent opportunities to produce and investigate hyper-nuclei. We have systematically studied the formation of hypernuclear spectator residues in peripheral heavy-ion collisions with the transport…

Nuclear Theory · Physics 2017-02-01 A. S. Botvina , K. K. Gudima , J. Steinheimer , M. Bleicher , J. Pochodzalla

A recently formulated thermal model for hadron production in heavy-ion collisions in the few-GeV energy regime is combined with the idea that some part of protons and neutrons present in the original thermal system forms deuterons via the…

Nuclear Theory · Physics 2023-12-22 Wojciech Florkowski , Radoslaw Ryblewski , Piotr Salabura , Nikodem Witkowski

We present a novel multimessenger approach to extract the effective radial flow of the quark-gluon plasma (QGP) by jointly analyzing thermal photon and dilepton spectra in heavy-ion collisions. A key feature of this method is that it…

High Energy Physics - Phenomenology · Physics 2026-03-13 Lipei Du , Ulrich Heinz

It has been shown that the thermal photon and the lepton pair spectra can be used to estimate the radial velocity of different phases of the matter formed in nuclear collisions at ultra-relativistic energies. We observe a non-monotonic…

Nuclear Theory · Physics 2009-12-30 Jajati K. Nayak , Jan-e Alam

The production of heavy quarkonium as QQbar bound-states in hadron-hadron collisions is considered within the framework of a space-time description, combining parton-cascade evolution with a coalescence model for bound-state formation. The…

High Energy Physics - Phenomenology · Physics 2016-08-25 Klaus Geiger

Starting from a realistic one--boson--exchange--model fitted to the amplitudes of elastic nucleon--nucleon scattering and the process $NN\rightarrow N\Delta$ we perform a fully relativistic and gauge invariant calculation for the dilepton…

Nuclear Theory · Physics 2009-10-28 M. Schäfer , H. C. Dönges , A. Engel , U. Mosel

A quantitative evaluation of dilepton sources in heavy-ion reactions is performed taking into account both thermal and non-thermal production mechanisms. The hadronic thermal emission rate is based on an electromagnetic current-correlation…

High Energy Physics - Phenomenology · Physics 2011-02-15 Hendrik van Hees , Ralf Rapp

We use a coarse-graining approach to extract local thermodynamic properties from simulations with a microscopic transport model by averaging over a large ensemble of events. Setting up a grid of small space-time cells and going into each…

Nuclear Theory · Physics 2015-04-29 Stephan Endres , Hendrik van Hees , Janus Weil , Marcus Bleicher

Dileptons represent a unique probe for nuclear matter under extreme conditions reached in heavy-ion collisions. They allow to study meson properties, like mass and decay width, at various density and temperature regimes. Present days models…

Nuclear Theory · Physics 2008-11-26 M. D. Cozma , C. Fuchs , E. Santini , A. Fässler

A measurement for studying the mass dependence of the dilepton interferometry in relativistic heavy-ion collision experiments as a tool to characterize the quark-gluon phase is proposed. In calculations involving dileptons, we show that the…

Nuclear Theory · Physics 2011-08-29 Payal Mohanty , Jan-e Alam , Bedangadas Mohanty

We introduce a combined macroscopic/microscopic transport approach employing relativistic hydrodynamics for the early, dense, deconfined stage of the reaction and a microscopic non-equilibrium model for the later hadronic stage where the…

Nuclear Theory · Physics 2009-11-06 S. A. Bass , A. Dumitru

We study the influence of the baryon chemical potential $\mu_B$ on the properties of the Quark-Gluon-Plasma (QGP) in and out-of equilibrium. The description of the QGP in equilibrium is based on the effective propagators and couplings from…

Nuclear Theory · Physics 2020-03-04 O. Soloveva , P. Moreau , L. Oliva , V. Voronyuk , V. Kireyeu , T. Song , E. Bratkovskaya

We propose a novel quasiparticle interpretation of the equation of state of deconfined QCD at finite temperature. Using appropriate thermal masses, we introduce a phenomenological parametrization of the onset of confinement in the vicinity…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. A. Schneider , T. Renk , W. Weise

The microscopic phasespace approach URQMD is used to investigate the stopping power and particle production in heavy systems at SPS and RHIC energies. This framework bridges with one model consistently the entire available range of energies…

We propose an extension of Light-Front Holographic QCD (LFHQCD) to investigate non-equilibrium real-time dynamics and transport properties of strongly coupled QCD matter. While LFHQCD has been successfully applied to hadronic spectroscopy…

High Energy Physics - Phenomenology · Physics 2025-06-17 Fidele J. Twagirayezu

The dilepton production rate in hot QCD medium is studied within a effective description of the medium in the presence of magnetic field. This could be done by obtaining the one-loop self energy of photon due to the effective (quasi-) quark…

High Energy Physics - Phenomenology · Physics 2018-10-17 Snigdha Ghosh , Vinod Chandra
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