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题名: Next-to-leading order QCD corrections to the direct top quark production via model-independent FCNC couplings at hadron colliders
作者: Liu, JJ ;  Li, CS ;  Yang, LL ;  Jin, LG
刊名: PHYSICAL REVIEW D
出版日期: 2005
卷号: 72, 期号:7, 页码:-
关键词: PHYSICS ;  GAMMA-TOT(H0->HADRONS) ;  FACTORIZATION ;  CURRENTS ;  DECAYS
学科分类: Physics
通讯作者: Liu, JJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
部门归属: Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We calculated the next-to-leading order (NLO) QCD corrections to the cross sections for direct top quark productions induced by model-independent flavor-changing neutral current couplings at hadron colliders. The NLO results increase the experimental sensitivity to the anomalous couplings. Our results show that the NLO QCD corrections enhance the leading order (LO) total cross sections at the Tevatron Run 2 about 60% for both kappa(tc)(g) and kappa(tu)(g) couplings, and enhance the LO total cross sections at the LHC about 40% for kappa(tc)(g) couplings and 50% for kappa(tu)(g) couplings, respectively. Moreover, the NLO QCD corrections vastly reduce the dependence of the total cross sections on the renormalization or factorization scale, which leads to increased confidence in predictions based on these results.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000232936300039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13745
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Liu, JJ,Li, CS,Yang, LL,et al. Next-to-leading order QCD corrections to the direct top quark production via model-independent FCNC couplings at hadron colliders[J]. PHYSICAL REVIEW D,2005,72(7):-.
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