QCD Corrections to Double and Single Spin Asymmetries in Vector Boson Production at Polarized Hadron Colliders

Details QCD Corrections to Double and Single Spin Asymmetries in Vector Boson Production at Polarized Hadron Colliders QCD Corrections to Double and Single Spin Asymmetries in Vector Boson Production at Polarized Hadron Colliders

1997-10-28

arxiv.org/abs/hep-ph/9710508v1

Nucl.Phys. B534 (1998) 21-39

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, LaTeX, 4 figures included

Scientific paper

10.1016/S0550-3213(98)00541-0

The production of $W^{\pm}$ and $Z^0$ bosons in collisions of longitudinally polarized protons allows to access various combinations of the polarized quark distributions from the study of double and single spin asymmetries. We compute the ${\cal O}(\alpha_s)$ corrections to these asymmetries as function of the vector boson rapidity $y$ in the hadron-hadron centre-of-mass frame. Detailed studies of the numerical impact of the next-to-leading order corrections are presented. The theoretical uncertainties of an extraction of polarized quark distributions from future vector boson production data are investigated in detail.

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