Non-factorizable contributions to deep inelastic scattering at large x

Details Non-factorizable contributions to deep inelastic scattering at large x Non-factorizable contributions to deep inelastic scattering at large x

2005-06-27

arxiv.org/abs/hep-ph/0506269v2

JHEP 0510 (2005) 040

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 4 figures. Reference added, other small changes for journal version

Scientific paper

10.1088/1126-6708/2005/10/040

We use soft-collinear effective theory (SCET) to study the factorization properties of deep inelastic scattering in the region of phase space where 1-x = O(Lambda_{QCD/Q}). By applying a regions analysis to loop diagrams in the Breit frame, we show that the appropriate version of SCET includes anti-hard-collinear, collinear, and soft-collinear fields. We find that the effects of the soft-collinear fields spoil perturbative factorization even at leading order in the 1/Q expansion.

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