Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2002-11-02
Nucl.Phys. A715 (2003) 691-694
Physics
Nuclear Physics
Nuclear Experiment
5 pages, 3 figures, contribution to the Proceedings of Quark Matter 2002, Nantes, France, July 18-24, 2002
Scientific paper
10.1016/S0375-9474(02)01468-9
Inclusive transverse momentum spectra of photons and neutral pions about mid-rapidity are presented for Au+Au collisions at sqrt(s_NN} = 130 GeV. Photon pair conversions have been reconstructed from charged tracks measured with the central Time Projection Chamber (TPC) of STAR. Contributions of the pi^0 -> \gamma\gamma decay in the inclusive photon spectra have been studied. It was found that this contribution begins to decrease at a transverse momentum of 1.65 GeV/c in the top 11% most central centrality class.
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