Finite lifetime effects on the photon production from a quark-gluon plasma
classification
✦ hep-ph
nucl-th
keywords
photoneffectsfinitelifetimeplasmaquark-gluonansatzcontribution
read the original abstract
We use the real-time Keldysh formalism to investigate finite lifetime effects on the photon emission from a quark-gluon plasma (QGP). We provide an ansatz which eliminates the divergent contribution from the vacuum polarization and renders the photon spectrum UV-finite if the time evolution of the QGP is described in a suitable manner.
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