Regular Article – Experimental Physics
Direct photons in d+Au collisions at =200 GeV with STAR
Utrecht University, Utrecht, The Netherlands
* e-mail: email@example.com
Published online: 30 November 2006
Results are presented of an ongoing analysis of direct photon production in =200 GeV deuteron-gold collisions (d+Au) with the STAR experiment at RHIC. A significant excess of direct photons is observed near mid-rapidity (0<y<1) and found to be consistent with next-to-leading order pQCD calculations including the contribution from fragmentation photons.
© Springer-Verlag Berlin Heidelberg, 2007