来源:Physics of Particles and Nuclei, 2014, 45(1): 26-29.
DOI:10.1134/S1063779614010535
摘要
We study the polarized Bjorken sum rule at low momentum transfer squared Q (2) a parts per thousand currency sign 3 GeV2 in the twist-two approximation and to the next-to-next-to-leading order accuracy.