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Related papers: The dilepton probe in heavy-ion collisions

200 papers

We study thermal dilepton production and anisotropic flow in Pb+Pb collisions at $\sqrt{s_{NN}} = 5.02 \, \mathrm{TeV}$ using next-to-leading-order (NLO) thermal QCD dilepton emission rates. A hybrid model (IP-Glasma+\kompost+MUSIC+UrQMD)…

Nuclear Theory · Physics 2025-05-01 Xiang-Yu Wu , Lipei Du , Charles Gale , Sangyong Jeon

An approach is suggested, invoking vitally the notion of constituent massive quarks (valons) which can survive and propagate rather than hadrons (except of pions) within the hot and dense matter formed below the chiral transition…

High Energy Physics - Phenomenology · Physics 2011-08-11 O. D. Chernavskaya , E. L. Feinberg , I. I. Royzen

An overview of the latest theoretical developments and results on electromagnetic and weak probes in relativistic heavy-ion collisions is presented. The possibilities to use electromagnetic probes, i.e., photons and dileptons, as a…

High Energy Physics - Phenomenology · Physics 2021-02-03 Ralf-Arno Tripolt

We calculate a novel "magnetic contribution" to the dilepton spectrum in heavy-ion collisions arising from interaction of relativistic quarks with intense magnetic field. Synchrotron radiation by quarks, which can be approximated by the…

Nuclear Theory · Physics 2013-09-04 Kirill Tuchin

We present a newly developed hybrid hadronic transport + hydrodynamics framework geared towards heavy ion collisions at low to intermediate beam energies, and report on the resulting excitation function of dileptons. In this range of…

We discuss how dileptons, open charm and charmonia may be utilized in heavy-ion collisions to extract information specific to hot and dense matter at finite quark chemical potential, $\mu_q$. For each observable we briefly discuss…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ralf Rapp

Photons and dileptons are being used to probe the properties of nuclear and quark-gluon matter at high energy densities. This is an area where theory and experiment are driving each other to obtain solid results. However, it is important to…

Nuclear Theory · Physics 2008-11-26 J. Kapusta

The theory of thermal photon and dilepton emission from a hot and dense hadronic gas, as well as from the Quark-Gluon Plasma, is reviewed in the context of extracting in-medium properties of the matter constituents. In phenomenological…

Nuclear Theory · Physics 2022-02-23 Ralf Rapp

The significance of thermal dilepton radiation at intermediate invariant masses (1GeV<M<3GeV) in ultrarelativistic heavy-ion collisions is investigated. At CERN-SpS energies, a consistent explanation of the excess observed by NA50 can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ralf Rapp

Aspects of the dilepton spectrum in heavy-ion collisions are discussed, with special emphasis on using lattice computations to guide the phenomenology of finite temperature hadronic matter. The background rates for continuum dileptons…

High Energy Physics - Phenomenology · Physics 2010-11-01 Sourendu Gupta

We discuss the latest theoretical results on direct photon and dilepton production from relativistic heavy-ion collisions. While the dilepton spectra at low invariant mass show in-medium effects like a collisional broadening of the vector…

High Energy Physics - Phenomenology · Physics 2015-06-22 E. L. Bratkovskaya

We consider the intermediate mass continuum of dileptons (between $\phi$ and $J/\psi$) in ultrarelativistic heavy--ion collisions. The thermal signal depends essentially on thermodynamic state parameters of the hottest parton stage as…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Gallmeister , B. Kaempfer , O. P. Pavlenko

The initial collision geometry, including the reaction plane, is crucial for interpreting collective phenomena in relativistic heavy-ion collisions, yet it remains experimentally inaccessible through conventional measurements. Recent…

High Energy Physics - Phenomenology · Physics 2025-05-09 Jiaxuan Luo , Xinbai Li , Zebo Tang , Xin Wu , Shuai Yang , Wangmei Zha , Zhan Zhang

This contribution summarizes the main experimental results presented at the 2009 Quark Matter conference concerning single and dilepton production in proton and heavy ion collisions at high energy. The dilepton invariant mass spectrum has…

Nuclear Experiment · Physics 2009-11-18 Hugo Pereira Da Costa

Low-mass dilepton spectra as measured in high-energy heavy-ion collisions are a unique tool to obtain spectroscopic information about the strongly interacting medium produced in these reactions. Specifically, in-medium modifications of the…

High Energy Physics - Phenomenology · Physics 2013-07-12 Ralf Rapp

The dilepton radial flow in Au+Au collisions at \sqrt{s_{NN}}=200 GeV is investigated. The space-time evolution of the fireball is described by a 2+1 dimensional ideal hydrodynamics with a variety of equations of state. The slope parameters…

Nuclear Theory · Physics 2011-09-12 Jian Deng , Qun Wang , Nu Xu , Pengfei Zhuang

The modification of two particle correlations within a jet due to its propagation through dense strongly interacting matter is explored. Different properties of the medium may be probed by varying the momentum of the detected hadrons. Very…

Nuclear Theory · Physics 2008-11-26 A. Majumder

This overview focusses on recent developments, in the most part triggered by LHC data, aimed at the development of a reliable and complete theoretical description of high-p$_t$ physics in heavy ion collisions. Particular emphasis is placed…

High Energy Physics - Phenomenology · Physics 2015-06-04 José Guilherme Milhano

We discuss the status of a subset of penetrating probes in relativistic nuclear collisions. Thermal photons and dileptons are considered, as well as the electromagnetic signature of jets.

High Energy Physics - Phenomenology · Physics 2009-11-11 Charles Gale

Electromagnetic radiation is emitted during the whole course of a heavy-ion collision and can escape from the collision zone without further interactions. This makes it an ideal tool to study the properties of hot and dense QCD matter. To…

Nuclear Theory · Physics 2018-07-04 Florian Seck , Tetyana Galatyuk , Ralf Rapp , Joachim Stroth