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[in Journal: Non-Series Books] AND [Keyword: Twist] (1)	27 Mar 2025	Run
[Keyword: Speed] AND [All Journals] (11)	27 Mar 2025	Run
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chapterNo Access
RELATING LEADING AND HIGHER TWIST CONTRIBUTIONS TO NUCLEON SPIN STRUCTURE
- P.G. Ratcliffe and
- O.V. Teryaev
Transversity 200801 Apr 2009
Preview Abstract
Various methods of relating (naively) twist-2 Sivers function and twist-3 quark–gluon correlators are reviewed. The applications of Sivers function at large transverse momenta provides a justification (up to colour factors) of practical methods of calculations used earlier by Torino group. These factors correspond to colour correlations between partons inside hadrons and the ones participating in hard processes. The particular case of such correlations is represented by sign change between SIDIS and Drell–Yan processes.

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