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Anomalous tq gamma coupling effects in exclusive radiative B-meson decays

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成果类型:
期刊论文
作者:
Li, Xin-Qiang*;Yang, Ya-Dong;Yuan, Xing-Bo
通讯作者:
Li, Xin-Qiang
作者机构:
[Li, Xin-Qiang] Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China.
[Li, Xin-Qiang] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Yang, Ya-Dong; Yuan, Xing-Bo] Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
[Yang, Ya-Dong] Huazhong Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan 430079, Hubei, Peoples R China.
通讯机构:
[Li, Xin-Qiang] H
Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China.
语种:
英文
关键词:
Beyond Standard Model;B-Physics
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2011
卷:
2011
期:
8
页码:
1-22
基金类别:
National Natural Science FoundationNational Natural Science Foundation of China (NSFC) [11075059, 11005032, 11047165]; MEC (Spain)Spanish Government [FPA2007- 60323]; Spanish Consolider Ingenio 2010 Programme CPANSpanish Government [CSD2007- 00042]
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
The top-quark FCNC processes will be searched for at the CERN LHC, which are correlated with the B-meson decays. In this paper, we study the e ff ects of top-quark anomalous interactions tq gamma in the exclusive radiative B --> K*gamma and B --> rho gamma decays. With the current experimental data of the branching ratios, the direct CP and the isospin asymmetries, bounds on the coupling kappa(gamma)(tcR) from B --> K*gamma and kappa(gamma)(tuR) from B --> rho gamma decays are derived, respectively. The bound on vertical bar kappa(gamma)(tcR)vertical bar from B (B --> K*gamma) is generally com...

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