Examination of direct-photon and pion production in proton-nucleon collisions

Details Examination of direct-photon and pion production in proton-nucleon collisions Examination of direct-photon and pion production in proton-nucleon collisions

2000-07-18

arxiv.org/abs/hep-ph/0007191v2

Phys.Rev. D63 (2001) 014009

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 12 figures. Minor changes in wording and in figure 2

Scientific paper

10.1103/PhysRevD.63.014009

We present a study of inclusive direct-photon and pion production in hadronic interactions, focusing on a comparison of the ratio of gamma/pi0 yields with expectations from next-to-leading order perturbative QCD (NLO pQCD). We also examine the impact of a phenomenological model involving k_T smearing (which approximates effects of additional soft-gluon emission) on absolute predictions for photon and pion production and their ratio.

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