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

被引：33
|
作者：
Heim, Sarah [1 ]
Cao, Qing-Hong [2 ,3 ]
Schwienhorst, Reinhard [1 ]
Yuan, C. -P. [1 ]
机构：
[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[2] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[3] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
来源：
PHYSICAL REVIEW D | 2010年 / 81卷 / 03期
基金：
美国国家科学基金会;
关键词：
JET CROSS-SECTIONS; PAIR PRODUCTION; SEARCH; COUPLINGS; PROSPECTS;
D O I：
10.1103/PhysRevD.81.034005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 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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页数：21
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