Transverse Spin Dependent Drell Yan in QCD to $O(α_s^2)$ at Large $p_T$ (I). Virtual Corrections and Methods for the Real Emissions

Details Transverse Spin Dependent Drell Yan in QCD to $O(α_s^2)$ at Large $p_T$ (I). Virtual Corrections and Methods for the Real Emissions Transverse Spin Dependent Drell Yan in QCD to $O(α_s^2)$ at Large $p_T$ (I). Virtual Corrections and Methods for the Real Emissions

1997-09-26

arxiv.org/abs/hep-ph/9709476v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

47 pages, 8 figures

Scientific paper

We investigate the role of the transverse spin dependence in Drell Yan lepton pair production to NLO in QCD at parton level. In our analysis we deal with the large $p_T$ distributions. We give very compact expressions for the virtual $O(\alpha_s^2)$ corrections to the cross section and show that the singularities factorize. The study is performed in the $\bar{MS}$ scheme in Dimensional Regularization, and with the t'Hooft-Veltman prescription for $\gamma_5$. A discussion of the structure of the real emissions is included, and detailed methods for the study of these contributions are formulated.

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