Investigating the high energy QCD approaches for prompt photon production at the LHC

Details Investigating the high energy QCD approaches for prompt photon production at the LHC Investigating the high energy QCD approaches for prompt photon production at the LHC

2008-09-10

arxiv.org/abs/0809.1884v1

Eur.Phys.J.C61:871-878,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to the proceedings of the 3rd International Conference on Hard and Electro-Magnetic Probes of High-Energy Nuclear

Scientific paper

10.1140/epjc/s10052-008-0842-9

We investigate the rapidity and transverse momentum distributions of the prompt photon production at the CERN LHC energies considering the current perturbative QCD approaches for this scattering process. Namely, we compare the predictions from the usual NLO pQCD calculations to the the color dipole formalism, using distinct dipole cross sections. Special attention is paid to parton saturation models at high energies, which are expected to be important at the forward rapidities in pp collisions at the LHC.

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