Non-factorizable contributions to deep inelastic scattering at largex | Zendy

Ben D. Pecjak | Zendy

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Non-factorizable contributions to deep inelastic scattering at largex

Author(s) -

Ben D. Pecjak

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/10/040

Subject(s) - deep inelastic scattering , factorization , physics , quantum chromodynamics , effective field theory , particle physics , scattering , inelastic scattering , space (punctuation) , loop (graph theory) , order (exchange) , phase space , perturbative qcd , quantum mechanics , mathematics , computer science , combinatorics , algorithm , finance , economics , operating system

We use soft-collinear effective theory (SCET) to study the factorizationproperties 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 theBreit frame, we show that the appropriate version of SCET includesanti-hard-collinear, collinear, and soft-collinear fields. We find that theeffects of the soft-collinear fields spoil perturbative factorization even atleading order in the 1/Q expansion.Comment: 22 pages, 4 figures. Reference added, other small changes for journal versio

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