Production of soft photons from the quark-gluon plasma in hot QCD- Screening of mass singularities
A. Niégawa
Abstract
It has been reported that, within the hard-thermal-loop resummation scheme, the production rate of soft real photons from a hot quark-gluon plasma exhibits unscreened mass singularities. We show that still higher-order resummations screen the mass singularities and obtain the finite soft-photon production rate to leading order at logarithmic accuracy O (ααs 2 αs).
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