Higher twist corrections to Bjorken sum rule

Abstract

Some higher twist corrections to the Bjorken sum rule are estimated in the framework of a quark-diquark model of the nucleon. The parameters of the model have been previously fixed by fitting the measured higher twist corrections to the unpolarized structure function $F_2(x,Q^2)$. The resulting corrections to the Bjorken sum rule turn out to be negligible.

7 pages, I Fig (ps file is available from [email protected])

References in corpus (4)

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• Baryonic Correlation Functions in the Random Instanton Vacuum
• Analysis of Data on Polarized Lepton-Nucleon Scattering
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Cited by in corpus (5)

• Measurements of the Proton and Deuteron Spin Structure Functions g1 and g2
• Parton model sum rules
• The Gross-Llewellyn Smith sum rule up to $\mathcal{O}({\alpha }_s^4)$-order QCD corrections
• Estimating the small-x exponent of the nonsinglet structure function g1 from the Bjorken Sum Rule
• Renormalization-Scale-Invariant PQCD Predictions for R_e+e- and the Bjorken Sum Rule at Next-to-Leading Order