Evaluation of Bjorken polarised sum rule with a renormalon-motivated approach
Date Issued
2024-01
Author(s) USM
DOI
10.1016/j.physletb.2023.138386
Abstract
We use the known renormalon structure of Bjorken polarised sum rule (BSR) (Gamma) over bar (p-n)(1) (Q(2)) to evaluate the leadingtwist part of that quantity. In addition, we include D = 2 and D = 4 Operator Product Expansion (OPE) terms and fit this expr
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