Testing for kt-factorization with inclusive prompt photon production at LHC

Details Testing for kt-factorization with inclusive prompt photon production at LHC Testing for kt-factorization with inclusive prompt photon production at LHC

2011-02-06

arxiv.org/abs/1102.1134v3

Phys.Lett.B699:93-97,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figures

Scientific paper

10.1016/j.physletb.2011.03.057

We study the possibility to analyse the data on inclusive prompt photon production at first LHC runs in the framework of the kt-factorization QCD approach. Our consideration is based on the amplitude for the production of a single photon associated with a quark pair in the fusion of two off-shell gluons. The quark component is taken into account separately using the quark-gluon Compton scatterring and quark-antiquark annihilation QCD subprocesses. The unintegrated parton densities in a proton are determined using the Kimber-Martin-Ryskin (KMR) prescription as well as the CCFM evolution equation.

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