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Higher-twist quark-mass contributions to deep-inelastic scattering

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
381
Identifiers
DOI: 10.1016/0370-2693(96)00541-2
Keywords
  • Particles And Fields
Disciplines
  • Computer Science
  • Physics

Abstract

Abstract In this letter we extend the factorization procedure of the deep-inelastic hadron tensor, proposed by Qiu, to include non-zero quark masses. The manifest gauge invariance of both soft and hard parts is preserved. Using a so-called spurion to generate the quark-mass terms, the simple parton-model interpretation is also kept. The calculation of the deep-inelastic transverse-spin structure function g 2 is used to illustrate the algorithm.

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