Next-to-leading order QCD corrections to s-channel single top quark production and decay at the LHC

Details Next-to-leading order QCD corrections to s-channel single top quark production and decay at the LHC Next-to-leading order QCD corrections to s-channel single top quark production and decay at the LHC

2009-11-03

arxiv.org/abs/0911.0620v2

Phys.Rev.D81:034005,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

39 pages, 27 figures but 74 figure files (because of subfigures), replacement because of minor changes like added references a

Scientific paper

10.1103/PhysRevD.81.034005

We present a study of electroweak production of top and antitop quarks in the s-channel mode at the LHC, including next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to the production and decay of the single (anti)top quark. The spin is preserved in production and decay by using the narrow width approximation for the (anti)top quark. We show the effect of different O(alpha_s) contributions on the inclusive cross section and various kinematic distributions at parton level after imposing relevant kinematic cuts to select s-channel single top quark events. We also discuss several possibilities for measuring the top quark polarization.

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