Contribution of quark-mass-dependent operators to higher twist effects in deep-inelastic scattering

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Abstract

We look at the contribution of quark-mass-dependent twist-4 operators to the second moments of spin-averaged structure functions and the Bjorken sum rule. Its contribution is non-negligible in the former case due to large Wilson coefficients. We also discuss the values of the twist-4 spin-2 nucleon matrix element within present experimental constraints.

Original languageEnglish
Pages (from-to)2242-2246
Number of pages5
JournalPhysical Review D
Volume49
Issue number5
DOIs
Publication statusPublished - 1994

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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