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HK: Fachverband Physik der Hadronen und Kerne
HK 5: Physik mit schweren Ionen
HK 5.4: Talk
Monday, March 12, 2007, 18:45–19:00, F
Photon production from an anisotropic quark-gluon plasma — •Björn Schenke1 and michael Strickland2 — 1Institut für Theoretische Physik, Johann Wolfgang Goethe - Universität, Max-von-Laue-Straße 1, D-60438 Frankfurt am Main — 2Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe - Universität, Max-von-Laue-Straße 1, D-60438 Frankfurt am Main
We calculate photon production from a quark-gluon plasma which is anisotropic in momentum space including the Compton scattering and quark/anti-quark annihilation processes. We show that for a quark-gluon plasma which has an oblate momentum-space anisotropy the photon production rate has an angular dependence which is peaked transverse to the beam line. We propose to use the angular dependence of high-energy medium photon production to experimentally determine the degree of momentum-space isotropy of a quark-gluon plasma produced in relativistic heavy-ion collisions.