Towards a global analysis of polarized parton distributions

Details Towards a global analysis of polarized parton distributions Towards a global analysis of polarized parton distributions

2001-07-06

arxiv.org/abs/hep-ph/0107064v2

Phys.Rev. D64 (2001) 114007

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, LaTeX, 6 eps figures, final version to appear in PRD (minor changes)

Scientific paper

10.1103/PhysRevD.64.114007

We present a technique for implementing in a fast way, and without any approximations, higher-order calculations of partonic cross sections into global analyses of parton distribution functions. The approach, which is set up in Mellin-moment space, is particularly suited for analyses of future data from polarized proton-proton collisions, but not limited to this case. The usefulness and practicability of this method is demonstrated for the semi-inclusive production of hadrons in deep-inelastic scattering and the transverse momentum distribution of ``prompt'' photons in pp collisions, and a case study for a future global analysis of polarized parton densities is presented.

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