Comparison of NNLO and all-orders estimates of corrections to the GLS and Bjorken sum rules

Details Comparison of NNLO and all-orders estimates of corrections to the GLS and Bjorken sum rules Comparison of NNLO and all-orders estimates of corrections to the GLS and Bjorken sum rules

2006-08-31

arxiv.org/abs/hep-ph/0608339v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 6 figures

Scientific paper

For the GLS and Bjorken DIS sum rules we compare fixed-order NNLO
perturbative QCD estimates, and all-orders resummed estimates, with the
available data, in order to assess the reliability of fixed-order perturbation
theory at rather small Q^2 values. Fits are also performed for non-perturbative
power corrections using a recently proposed model.

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