Quasi-real photon production in thermal QCDQuasi-real photon production in thermal QCD

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 Author Gelis, Francois Source arXiv.org Content type Text File Format PDF Date of Submission 1998-09-14 Language English
 Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics Subject Keyword High Energy Physics - Phenomenology ♦ physics:hep-ph Abstract In this proceedings, I consider two-loop contributions to real photon production in thermal QCD. If the photon is strictly massless, strong collinear divergences appear in this calculation. These singularities are regularized by the quark thermal mass of order $gT$, which generates powers of $1/g$, so that the corresponding terms are strongly enhanced with respect to naive expectations of their order of magnitude. Educational Use Research Learning Resource Type Article Page Count 9