paper

Next-to-leading Order Calculation of the Single Transverse Spin Asymmetry in the Drell-Yan Process

arXiv:0904.0410 · doi:10.1103/PhysRevD.79.094010

Abstract

We calculate the next-to-leading order perturbative QCD corrections to the transverse momentum weighted single transverse spin asymmetry in Drell-Yan lepton pair production in hadronic collisions. We identify the splitting function relevant for the scale evolution of the twist-three quark-gluon correlation function. We comment on the consequences of our results for phenomenology.

19 pages, 4 figures. Minor addition, one reference added. Version to appear in Physical Review D

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