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Related papers: Understanding Dilepton Production in Heavy Ion Col…

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The notion of "hadronic freedom" is introduced based on the vector manifestation of hidden local symmetry and is used to suggest that the dileptons measured in relativistic heavy-ion collisions do not provide {\em direct} information on the…

High Energy Physics - Phenomenology · Physics 2009-11-19 Gerald E. Brown , Masayasu Harada , Jeremy W. Holt , Mannque Rho , Chihiro Sasaki

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 present status of our understanding of low mass dilepton production in relativistic heavy ion collisions is discussed. The focus of the discussion will be the sensitivity of dilepton measurements to in medium changes of hadrons and the…

Nuclear Theory · Physics 2016-09-08 Volker Koch

Dilepton production from both pion-pion and kaon-antikaon annihilation in heavy-ion collisions is studied using the relativistic transport model. The formation of a rho meson from pion-pion annihilation and a phi meson from kaon-antikaon…

Nuclear Theory · Physics 2009-10-28 G. Q. Li , C. M. Ko

The production of dileptons is studied within a hadronic transport model. We investigate the sensitivity of the dilepton spectra to the initial configuration of the hadronic phase in a ultrarelativistic heavy ion collision. Possible in…

Nuclear Theory · Physics 2008-11-26 V. Koch , C. Song

We present a unified description of the vector meson and dilepton production in elementary and in heavy ion reactions. The production of vector mesons ($\rho,\omega$) is described via the excitation of nuclear resonances ($R$). The…

Nuclear Theory · Physics 2016-09-08 K. Shekhter , C. Fuchs , Amand Faessler , M. Krivoruchenko , B. Martemyanov

We calculate electromagnetic production from highly excited hadronic matter created in heavy ion collisions. The rates include the usual lowest order processes in quark-gluon plasma plus the usual reactions in the hadronic phase, related…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. M. Hung , E. V. Shuryak

Using the transport model, we have studied dilepton production from heavy-ion collisions at Bevalac energies. It is found that the enhanced production of low-mass dileptons observed in the experiment by the DLS collaboration cannot be…

Nuclear Theory · Physics 2009-10-31 E. L. Bratkovskaya , C. M. Ko

Dilepton spectra from the decay of phi mesons produced in heavy-ion collisions at SIS/GSI energies ($\sim 2$ GeV/nucleon) are studied in the relativistic transport model. We include phi mesons produced from baryon-baryon, pion-baryon, and…

Nuclear Theory · Physics 2009-10-31 W. S. Chung , C. M. Ko , G. Q. Li

We present a unified description of the vector meson and dilepton production in elementary and in heavy ion reactions. The production of vector mesons ($\rho,\omega,\phi$) is described via the excitation of nucleon resonances ($R$). The…

Nuclear Theory · Physics 2015-06-26 Christian Fuchs , Amand Faessler

We propose a holographic model for dilepton production in proton-proton collisions based on the exchange of vector mesons. The holographic hard wall model is used to describe the dynamics and interactions of vector mesons and baryons. We…

High Energy Physics - Theory · Physics 2011-07-06 C. A. Ballon Bayona , Henrique Boschi-Filho , Nelson R. F. Braga

Using a relativistic transport model to describe the expansion of the fire-cylinder formed in the initial stage of heavy-ion collisions at SPS/CERN energies, we study the production of dileptons with mass below about 1 GeV from these…

Nuclear Theory · Physics 2011-07-19 G. Q. Li , C. M. Ko , G. E. Brown

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

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

We point out that formation time of pions produced in heavy ion collisions modifies the mass spectrum of dileptons produced via pipi -> ee annihilation. Increasing formation time enhances the production of dileptons with lower masses. The…

Nuclear Theory · Physics 2009-10-30 Peter Filip , Jan Pisut

Production of electron-positron pairs with invariant masses less than 300 MeV from thermalized hadronic matter in relativistic heavy ion collisions is calculated using a soft virtual photon approximation. The general theoretical framework…

High Energy Physics - Phenomenology · Physics 2010-01-15 K. Haglin , C. Gale , V. Emel'yanov

We study dilepton production in proton-proton, Cu+Cu as well as in Au+Au collisions at the center-of-mass energy 200 GeV per participating nucleon pair within an extended statistical hadronization model. In extension to earlier studies we…

Nuclear Theory · Physics 2011-04-20 J. Manninen , E. L. Bratkovskaya , O. Linnyk , W. Cassing

Dilepton production in heavy-ion collisions at collider energies - i.e., for the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) - is studied within an approach that uses coarse-grained transport simulations to…

Nuclear Theory · Physics 2016-08-22 Stephan Endres , Hendrik van Hees , Marcus Bleicher

We first review the calculations of low invariant mass dilepton production in relativistic heavy ion collisions, using effective hadronic Lagrangians. We go through some of the theoretical techniques used in this kinematical region and we…

Nuclear Theory · Physics 2008-02-03 Charles Gale

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
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