Next-to-leading order thermal photon production in a weakly coupled quark-gluon plasma
High Energy Physics - Phenomenology
2013-05-09 v1 Nuclear Theory
Abstract
We compute the next-to-leading order O(g) correction to the thermal photon production rate in a QCD plasma. The NLO contributions can be expressed in terms of gauge invariant condensates on the light cone, which are amenable to novel sum rules and Euclidean techniques. We expect these technologies to be generalizable to other NLO calculations. For the phenomenologically interesting value of alpha_s=0.3, the NLO correction represents a 20% increase and has a functional form similar to the LO result.
Keywords
Cite
@article{arxiv.1302.5970,
title = {Next-to-leading order thermal photon production in a weakly coupled quark-gluon plasma},
author = {Jacopo Ghiglieri and Juhee Hong and Aleksi Kurkela and Egang Lu and Guy D. Moore and Derek Teaney},
journal= {arXiv preprint arXiv:1302.5970},
year = {2013}
}
Comments
41 pages plus appendices, 23 figures