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arXiv · hep-ph/0304002

Single-spin asymmetries with weak bosons at RHIC

P. M. Nadolsky·C. -P. Yuan
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Abstract

In order to measure spin-dependent parton distributions in production of weak bosons using the non-hermetic detectors of the Relativistic Heavy Ion Collider, an accurate model for distributions of charged leptons from the W boson decay is needed. We discuss the predictions for production and decay of the W bosons based on a calculation for resummation of large logarithmic contributions originating from multiple soft gluon radiation. We compare the predictions for the spin-dependent resummed cross sections with the corresponding next-to-leading order results. We show that the lepton-level asymmetries can be reliably predicted by the resummation calculation and directly compared to the experimental data. A program for the numerical analysis of such cross sections in $γ^{*}, W^{\pm},$ and $Z^{0}$ boson production is also presented.

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P. M. Nadolsky, C. -P. Yuan. 2003-04-01. Single-spin asymmetries with weak bosons at RHIC. https://doi.org/10.1016/s0550-3213(03)00455-3

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