Medium effect on photon production in ultrarelativistic nuclear collisions
Chungsik Song,George Fai +1 more
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In this article, the effect of in-medium vector and axial-vector meson masses on photon production was studied, and it was shown that the thermal production rate of photons increases with reduced masses, and is enhanced by an order of magnitude at T=160thinspMeV with m{sub {rho}}=300thins pMeV.Abstract:
The effect of in-medium vector and axial-vector meson masses on photon production is studied. We assume that the effective mass of a vector meson in hot nuclear matter decreases according to a universal scaling law, while that of an axial-vector meson is given by Weinberg{close_quote}s mass formula. We find that the thermal production rate of photons increases with reduced masses, and is enhanced by an order of magnitude at T=160thinspMeV with m{sub {rho}}=300thinspMeV. Assuming a hydrodynamic evolution, we estimate the effect of the reduced masses on photon production in nucleus-nucleus collisions. The result is compared to experimental data from the WA80/WA98 Collaboration. {copyright} {ital 1998} {ital The American Physical Society}read more
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Journal ArticleDOI
Introduction to High-Energy Heavy-Ion Collisions
TL;DR: In this article, a well-balanced textbook of the field of ultra-relativistic heavy-ion collisions (RHICs) is presented, which is primarily suited to theoretically oriented graduate students and researchers (both theorists and experimental physicists).
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Hadronic production of thermal photons
TL;DR: In this paper, 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) was studied.
Journal ArticleDOI
Thermal Photons and Lepton Pairs from Quark Gluon Plasma and Hot Hadronic Matter
TL;DR: In this paper, the real and virtual photon production rate from strongly interacting matter is presented in the framework of finite temperature field theory and the changes in the hadronic spectral function induced by temperature are discussed within the ambit of the Walecka type model, gauged linear and non-linear sigma models, hidden local symmetry approach, and QCD sum rule approach.
Journal ArticleDOI
Direct photons from relativistic heavy-ion collisions
Thomas Peitzmann,Markus H. Thoma +1 more
TL;DR: In this article, a comprehensive and up-to-date survey and status report on the experimental and theoretical aspects of direct photons in relativistic heavy-ion collisions is presented.
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Hard thermal photon production in relativistic heavy ion collisions
TL;DR: In this paper, the status of hard thermal photon production in relativistic heavy ion collisions is reviewed and the current rates are presented with emphasis on corrected bremsstrahlung processes in the quark-gluon plasma (QGP) and quark−hadron duality.
References
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Book
Introduction to High-Energy Heavy-Ion Collisions
TL;DR: In this article, the properties of quark-gluon plasma production and experimental search for quark gluon plasminations are described and compared. But the experimental results are limited.
Journal ArticleDOI
Introduction to High-Energy Heavy-Ion Collisions
TL;DR: In this article, a well-balanced textbook of the field of ultra-relativistic heavy-ion collisions (RHICs) is presented, which is primarily suited to theoretically oriented graduate students and researchers (both theorists and experimental physicists).