Direct photons and dileptons via color dipoles

Kopeliovich, B. Z.; Rezaeian, A. H.; Pirner, H. J.; Schmidt, Ivan

doi:10.1016/j.physletb.2007.07.055

arXiv 2007-04-04 DOI 10.1016/j.physletb.2007.07.055 0 views

Direct photons and dileptons via color dipoles

Kopeliovich, B. Z. · Rezaeian, A. H. · Pirner, H. J. · Schmidt, Ivan

High Energy Physics - Phenomenology Nuclear Theory

Original · EN

Drell-Yan dilepton pair production and inclusive direct photon production can be described within a unified framework in the color dipole approach. The inclusion of non-perturbative primordial transverse momenta and DGLAP evolution is studied. We successfully describe data for dilepton spectra from 800-GeV pp collisions, inclusive direct photon spectra for pp collisions at RHIC energies √s=200 GeV, and for pp collisions at Tevatron energies √s=1.8 TeV, in a formalism that is free from any extra parameters.

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