Photon Fragmentation in Large-Q2 ep Collisions at Next-to-Leading Order QCD

Details Photon Fragmentation in Large-Q2 ep Collisions at Next-to-Leading Order QCD Photon Fragmentation in Large-Q2 ep Collisions at Next-to-Leading Order QCD

1999-07-27

arxiv.org/abs/hep-ph/9907511v1

Eur.Phys.J.C11:137-144,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages Latex, 4 eps-figures. Also available via anonymous ftp at ftp://ttpux2.physik.uni-karlsruhe.de/ttp99/ttp99-32/ or via

Scientific paper

10.1007/s100520050620

We study the production of photons accompanied by jets in large-Q2 deep inelastic scattering. Numerical results for the cross section differential with respect to the fraction of momentum z_gamma carried by a photon inside a jet at large z_gamma, up to O(alpha alpha_s) in perturbative QCD, are presented. The sensitivity to the fragmentation contribution allows one to study the quark-to-photon fragmentation function. Our results can be confronted with future experimental data from HERA.

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