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Related papers: Thermal Dileptons as Fireball Thermometer and Chro…

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The current status of various thermal and statistical descriptions of particle production in the ultra-relativistic heavy-ion collisions experiments is presented in detail. We discuss the formulation of various types of thermal models of a…

High Energy Physics - Phenomenology · Physics 2017-01-06 S. K. Tiwari , C. P. Singh

A status report of utilizing soft electromagnetic radiation (aka thermal photons and dileptons) in the diagnosis of strongly interacting matter in ultrarelativistic heavy-ion collisions is given. After briefly elaborating on relations of…

Nuclear Theory · Physics 2011-10-20 Ralf Rapp

This work presents calculations of thermal dilepton emission and polarization observables. It features a comprehensive framework which comprises virtual photon spectral functions complete at next-to-leading-order in the strong coupling and…

Nuclear Theory · Physics 2026-05-29 Han Gao , Xiang-Yu Wu , Charles Gale , Greg Jackson , Sangyong Jeon

Thermal radiation of photons and dileptons from hadronic matter plays an essential role in understanding electromagnetic emission spectra in high-energy heavy-ion collisions. In particular, baryons and anti-baryons have been found to be…

High Energy Physics - Phenomenology · Physics 2020-12-30 Nathan P. M. Holt , Ralf Rapp

Theoretical and experimental studies of hot and/or dense matter, such as is created in high-energy heavy-ion collisions, and encountered in compact objects in astrophysics, constitute one of the most active frontiers in nuclear physics. In…

Nuclear Theory · Physics 2007-05-23 G. Q. Li

The emission of hard real photons from thermalized expanding hadronic matter is dominated by the initial high-temperature expansion phase. Therefore, a measurement of photon emission in ultrarelativistic heavy-ion collisions provides…

High Energy Physics - Phenomenology · Physics 2009-11-10 Thorsten Renk

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 review the current state of research on electromagnetic probes in the context of heavy-ion collisions. The focus is on thermal photons and dileptons which provide unique insights into the properties of the created hot and dense matter.…

High Energy Physics - Phenomenology · Physics 2022-11-01 Ralf-Arno Tripolt , Frank Geurts

We predict dilepton invariant-mass spectra for central 5.5 ATeV Pb-Pb collisions at LHC. Hadronic emission in the low-mass region is calculated using in-medium spectral functions of light vector mesons within hadronic many-body theory. In…

High Energy Physics - Phenomenology · Physics 2008-04-22 H. van Hees , R. Rapp

Dilepton production in heavy-ion collisions at various energies is studied using coarse-grained transport simulations. Microscopic output from the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model is hereby put on a grid of…

Nuclear Theory · Physics 2016-09-30 Stephan Endres , Hendrik van Hees , Marcus Bleicher

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

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

Thermal models have proven to be an useful and simple tool used to make theoretical predictions and data analysis in relativistic and ultra-relativistic heavy ion collisions. A new version of these models is presented here, incorporating a…

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

Dileptons, as an electromagnetic probe, are crucial to study the properties of a Quark-Gluon Plasma (QGP) created in heavy ion collisions. We calculated the invariant mass spectra and the anisotropic emission of thermal dielectrons from…

High Energy Physics - Phenomenology · Physics 2016-01-12 Sheng-Xu Liu , Fu-Ming Liu , Klaus Werner , Meng Yue

The status of thermal model descriptions of particle production in heavy ion collisions is presented. We discuss the formulation of statistical models with different implementation of the conservation laws and indicate their applicability…

Nuclear Theory · Physics 2016-11-23 P. Braun-Munzinger , K. Redlich , J. Stachel

The current status of evaluating thermal production of lepton pairs in high-energy collisions of heavy nuclei is discussed. After a brief survey of emission rates from hot and dense matter, we address applications to (and interpretations…

Nuclear Theory · Physics 2007-05-23 R. Rapp

It is believed that a novel state of matter - Quark Gluon Plasma (QGP) will be transiently produced if normal hadronic matter is subjected to sufficiently high temperature and/or density. We have investigated the possibility of QGP…

Nuclear Theory · Physics 2009-09-25 Sourav Sarkar

The fireball created in an ultrarelativistic heavy ion collision is the environment in which all processes providing clues about the possible formation of the quark-gluon plasma (QGP) happen. It is therefore crucial to understand the…

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

We perform a systematic study of dilepton emission in a hot QCD medium based on three different scenarios of chiral mixing, each of which yields a characteristic structure in the vector spectral function. The in-medium spectral functions…

Nuclear Theory · Physics 2023-08-08 Azumi Sakai , Masayasu Harada , Chiho Nonaka , Chihiro Sasaki , Kenta Shigaki , Satoshi Yano