Photon Production from Charge-Asymmetric Hot and Dense Matter
High Energy Physics - Phenomenology
2008-11-26 v1 Nuclear Theory
Abstract
A new channel of direct photon production from a quark gluon plasma (QGP) is explored. This process appears at Next-to-Leading-Order in the presence of a charge asymmetry in the heated matter and may be effectively described as the bremsstrahlung of a real photon from a thermal gluon. The photon production from this new mechanism is calculated in the effective theory of QCD at high temperature. The results show that the photon production rate may not as big as the annihilation and Compton scattering at low baryon density, but could become important in baryon-rich matter.
Cite
@article{arxiv.hep-ph/0703312,
title = {Photon Production from Charge-Asymmetric Hot and Dense Matter},
author = {Guang-You Qin and Abhijit Majumder and Charles Gale},
journal= {arXiv preprint arXiv:hep-ph/0703312},
year = {2008}
}
Comments
10 pages, 5 figures