Regular Article – Theoretical Physics
Diphoton production from quark–gluon plasma and hadronic matter
Department of Physics and Astronomy, St. Cloud State University, 720 Fourth Avenue South, St. Cloud, MN, 56301, USA
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Published online: 8 November 2006
The rate of diphoton production is calculated from a quark–gluon plasma and compared with the rate from hadronic matter. Background diphotons are identified and quantified, including effects from hadronic form factors. Robust thermometry and spectroscopy are shown to be possible owing to the structure of the expected invariant mass spectrum. Charmonium could also be probed with diphotons.
© Springer-Verlag Berlin Heidelberg, 2007