Speaker: Oleksandr Kovalenko
Title: Thermal photons as the signature of Quark Gluon Plasma and its thermometer.
Abstract: Direct photon spectrum is a probe to study the thermal properties of the QGP fireball created in ultra relativistic heavy-ion collisions.
A scheme of extracting the direct photon signal from the data will be presented. The current results on thermal photons emitted in heavy ion collisions will be reviewed.