Collinear factorization for deep inelastic scattering structure functions at large Bjorken xB

Details Collinear factorization for deep inelastic scattering structure functions at large Bjorken xB Collinear factorization for deep inelastic scattering structure functions at large Bjorken xB

2008-05-11

arxiv.org/abs/0805.1496v3

JHEP0807:090,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 10 figures; discussion on baryon number conservation clarified

Scientific paper

10.1088/1126-6708/2008/07/090

We examine the uncertainty of perturbative QCD factorization for hadron structure functions in deep inelastic scattering at a large value of the Bjorken variable xB. We analyze the target mass correction to the structure functions by using the collinear factorization approach in the momentum space. We express the long distance physics of structure functions and the leading target mass corrections in terms of parton distribution functions with the standard operator definition. We compare our result with existing work on the target mass correction. We also discuss the impact of a final-state jet function on the extraction of parton distributions at large fractional momentum x.

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