English
Related papers

Related papers: Dileptons and Photons at RHIC

200 papers

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

Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using electromagnetic probes to characterize quark-gluon…

The electromagnetic emissivity from QCD media away from equilibrium is studied in the framework of closed time path thermal field theory. For the dilepton rate a nonequilibrium mesonic medium is considered applying finite temperature…

High Energy Physics - Phenomenology · Physics 2011-04-15 R. Baier , M. Dirks , K. Redlich

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

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

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

Dileptons produced during heavy-ion collisions represent a unique probe of the QCD phase diagram, and convey information about the state of the strongly interacting system at the moment their preceding off-shell photon is created. In this…

Nuclear Theory · Physics 2024-05-08 Jessica Churchill , Lipei Du , Charles Gale , Greg Jackson , Sangyong Jeon

This text is meant as an introduction to the theoretical physics of photon emission in hot and dense strongly interacting matter, the principal application being relativistic nuclear collisions. We shall cover some of the results and…

High Energy Physics - Phenomenology · Physics 2015-05-13 Charles Gale

We discuss the recent status of some penetrating electromagnetic probes of relativistic nuclear collisions, and the information contained in their measurement. We concentrate in turn on sources that produce high p_T photons: those of purely…

High Energy Physics - Phenomenology · Physics 2008-11-26 Charles Gale

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 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

Dilepton and photon production in heavy-ion collisions at SPS energies is 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 2007-05-23 G. Q. Li , G. E. Brown , C. Gale , C. M. Ko

A review is presented of dilepton and real photon measurements in relativistic heavy ion collisions over a very broad energy range from the low energies of the BEVALAC up to the highest energies available at RHIC. The dileptons cover the…

Nuclear Experiment · Physics 2015-05-13 Itzhak Tserruya

Electromagnetic probes promise to be direct messengers of (spectral properties of) hot and dense matter formed in heavy-ion collisions, even at soft momentum transfers essential for characterizing possible phase transitions. We examine how…

Nuclear Theory · Physics 2008-11-26 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

Due to coherence, there are strong electromagnetic fields of short duration in very peripheral heavy ion collisions. They give rise to photon-photon and photon-nucleus collisions with high flux. Photon-photon and photon-hadron physics at…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Baur

Recent RHIC data have suggested an interesting scenario where jets, after being formed in the very first instants of the nuclear collision, interact strongly and are absorbed by the hot and dense matter subsequently created. In this…

Nuclear Theory · Physics 2009-11-10 Charles Gale , T. C. Awes , Rainer J. Fries , Dinesh K. Srivastava

In this work we discuss the emission of low mass dilepton radiation from a hydrodynamic evolution model of Au-Au collisions and make comparisons with recent PHENIX measurements. The dilepton emission rates from the hadronic phase are…

Nuclear Theory · Physics 2015-05-13 K. Dusling , I. Zahed

We study the thermal emission of photons from hot and dense strongly interacting hadronic matter at temperatures close to the expected phase transition to the Quark-Gluon Plasma (QGP). Earlier calculations of photon radiation from ensembles…

High Energy Physics - Phenomenology · Physics 2014-11-17 Simon Turbide , Ralf Rapp , Charles Gale

Electromagnetic emission rates from a thermalized hadronic gas are important for the interpretation of dilepton signals from heavy-ion collisions. Although there is a consensus in the literature about rates for a pure meson gas, qualitative…

High Energy Physics - Phenomenology · Physics 2016-08-25 James V. Steele , Ismail Zahed