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arXiv · 1106.4310

Resummation for W and Z production at large pT

Thomas Becher·Christian Lorentzen·Matthew D. Schwartz
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Abstract

Soft-Collinear Effective theory is used to perform threshold resummation for W and Z production at large transverse momentum to next-to-next-to-leading logarithmic accuracy including matching to next-to-leading fixed-order results. The results agree very well with data from the Tevatron, and predictions are made for the high-pT spectra at the LHC. While the higher-log terms are of moderate size, their inclusion leads to a substantial reduction of the perturbative uncertainty. With these improvements, the PDF uncertainties now dominate the error on the predicted cross section.

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Thomas Becher, Christian Lorentzen, Matthew D. Schwartz. 2011-06-21. Resummation for W and Z production at large pT. https://doi.org/10.1103/physrevlett.108.012001

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