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

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

1996-03-28

arxiv.org/abs/hep-ph/9603428v1

Phys.Lett. B381 (1996) 305-310

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, REVTEX, 3 figures included

Scientific paper

10.1016/0370-2693(96)00541-2

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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