Particle production at forward rapidity in d+Au and Au+Au collisions in the STAR experiment at RHIC

Abstract

We present the recent results from the STAR experiment on charged and neutral particle measurements at the forward rapidity in d+Au collisions at s NN = 200 GeV and Au+Au collisions at s NN = 62.4 GeV . The nuclear modification factor for charged and neutral hadrons in d+Au collisions are presented. Measurements of Λ and Λ ¯ production at forward rapidity and the variation of net baryon density as a function of collision centrality are discussed. We have also studied the limiting fragmentation of photons and charged particles in Au+Au collisions. The photons and charged particles separately follow the energy independent limiting fragmentation behaviour. However they have been observed to follow a different centrality dependence of limiting fragmentation.