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Related papers: Dilepton Emission From a Resonance Gas

200 papers

The lepton pair production rate at finite temperature and at next-to-leading-order (NLO) is calculated for quark-gluon plasma at non-zero baryon density. Yields are obtained using a (3+1)D multicomponent simulation capable of reproducing…

Nuclear Theory · Physics 2023-12-19 Jessica Churchill , Lipei Du , Bailey Forster , Han Gao , Greg Jackson , Sangyong Jeon , Charles Gale

The invariant mass spectrum and the elliptic flow of lepton pairs produced in relativistic heavy-ion collisions at RHIC are studied with viscous hydrodynamics. The effects of viscous corrections on dilepton observables are explored. The…

Nuclear Theory · Physics 2014-03-19 Gojko Vujanovic , Clint Young , Bjoern Schenke , Ralf Rapp , Sangyong Jeon , Charles Gale

The rate of the emission of the high energy low-mass dileptons from the QGP is found in the first nonvanishing order with respect to strong coupling. We base on the real-time kinetic approach [2] without an explicit assumption about a…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Makhlin

Using the Bayesian calibrated iEBE-MUSIC framework, we compute the production of electromagnetic radiation from hot hadronic matter at finite baryon density. Results for thermal photon and thermal dilepton yields are obtained by folding…

Nuclear Theory · Physics 2025-09-04 Xiang-Yu Wu , Charles Gale , Sangyong Jeon , Jean-François Paquet , Björn Schenke , Chun Shen

We calculate the production of large mass dileptons from the passage of jets passing through the quark-gluon plasma. Using the relativistic kinetic theory, we rigorously derive the production rate for the jet-dilepton conversion in the hot…

High Energy Physics - Phenomenology · Physics 2015-06-03 Yong-Ping Fu , Yun-De Li

The properties of electromagnetic radiation from hot fireballs as created in ultra-relativistic heavy-ion collisions are reviewed. We first outline how the medium effects in the electromagnetic spectral function, which governs thermal…

Nuclear Theory · Physics 2013-06-28 R. Rapp

The rate of emission of heavy dileptons from QGP is found without an assumption of its complete thermal equilibrium. We base on the real-time quantum field kinetic approach [1] and use the expansion up to the second order with respect to…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Makhlin

The dilepton emission in heavy-ion reactions at low beam energies is examined within a hadronic transport approach. In this article the production of electron-positron pairs from a new approach named SMASH (Simulating Many Accelerated…

Nuclear Theory · Physics 2018-12-05 Jan Staudenmaier , Janus Weil , Vinzent Steinberg , Stephan Endres , Hannah Petersen

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

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 the prospects to get information about the early and hot stages of deconfined matter produced in relativistic heavy-ion collisions by analyzing dilepton and single-lepton spectra. Energy losses of heavy quarks in deconfined matter…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Gallmeister , B. Kaempfer , O. P. Pavlenko

We extend our recent analysis of the dilepton and photon emission rates to the case of finite temperature and baryon density, within the context of a density expansion. To leading order, the effects of the baryon density are assessed using…

High Energy Physics - Phenomenology · Physics 2014-11-17 James V. Steele , Hidenaga Yamagishi , Ismail Zahed

We study dielectron production in proton-proton collisions at top RHIC beam energy within an extended statistical hadronization model. The invariant mass spectrum of correlated dielectron pairs is evaluated in the low invariant mass region…

Nuclear Theory · Physics 2011-03-23 Jaakko Manninen , Elena Bratkovskaya , Wolfgang Cassing , Olena Linnyk

The dilepton production rate from the quark-gluon plasma is calculated from the imaginary part of the photon self energy using a quark propagator that contains the gluon condensate. The low mass dilepton rate obtained in this way exhibits…

High Energy Physics - Phenomenology · Physics 2009-10-31 Munshi G. Mustafa , Andreas Sch"afer , Markus H. Thoma

In this paper we present a comprehensive formalism for dilepton production from the collision of two polarized spin-$\tfrac{1}{2}$ hadrons by identifying the general angular distribution of the cross section in combination with a complete…

High Energy Physics - Phenomenology · Physics 2009-07-24 S. Arnold , A. Metz , M. Schlegel

We consider dilepton production in high energy proton-nucleus (and very forward nucleus-nucleus) collisions. Treating the target nucleus as a Color Glass Condensate and describing the projectile proton (nucleus) as a collection of quarks…

High Energy Physics - Phenomenology · Physics 2010-11-30 F. Gelis , Jamal Jalilian-Marian

There are many extensions to the Standard Model of particle physics which predict the addition of a U(1) symmetry, and/or extra spatial dimensions, which give rise to new high mass resonances such as the Z' and Randall-Sundrum graviton. The…

High Energy Physics - Experiment · Physics 2019-08-13 Daniel Hayden

We present a unified description of the vector meson and dilepton production in elementary and in heavy ion reactions. The production of vector mesons is described via the excitation of nucleon resonances. Medium effects in heavy ion…

Nuclear Theory · Physics 2015-06-26 C. Fuchs , Amand Faessler , D. Cozma , B. V. Martemyanov , M. I. Krivoruchenko

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

We calculate the emission of large mass dileptons originating from the annihilation of quark jets passing through quark gluon plasma. Considering central collisions of heavy nuclei at SPS, RHIC and LHC energies, we find that the yield due…

Nuclear Theory · Physics 2009-11-07 D. K. Srivastava , C. Gale , R. J. Fries