Scaling of single photon production in hadronic collisions
Abstract
Scaling of single photon production in pp and pp collisions is studied. It is empirically observed the available data scales s/pT5 for xT=2pT/s ≤ 0.1 and (s)3.3/pT9 for larger xT. The NLO pQCD predictions for pp collisions at s of 200 and 5500 GeV, relevant for RHIC and LHC energies are seen to closely follow this scaling behaviour. Implications for single photon production in heavy ion collisions are discussed.
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