Particle production at very low and intermediate transverse momenta in d+Au and Au+Au collisions
Abstract
The transverse momentum spectra of identified charged particles have been measured at very low and intermediate transverse momenta in Au+Au collisions at sqrt(sNN) = 62.4 GeV and d+Au collisions at sqrt(sNN) = 200 GeV using the PHOBOS detector at RHIC. New results on charged particle production at very low pT in central Au+Au collisions at sqrt(sNN) = 200 GeV in the centrality intervals 0-6% and 6-15% are presented. A comparison of the PHOBOS low-pT data with predictions of a recent optical model is shown. The shapes of mT spectra for d+Au and Au+Au collisions are compared.
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