Perturbative QCD analysis of the Bjorken sum rule

Abstract

We study the polarized Bjorken sum rule at low momentum transfer squared Q2<3GeV2 in the twist-two approximation and to the next-to-next-to-leading order accuracy.

Comments: 6 pages, 3 figures, talk given at 20th International Symposium on Spin Physics (SPIN2012), September 16-23, 2012, JINR, Dubna, Russia