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Li, TJ; Nanopoulos, DV; Wang, WY; Wang, XC; Xiong, ZH; Li, TJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Rare B decays in the F-SU(5) model
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词2-higgs Doublet Model x u(1)(x) Models Large Tan-beta No-scale 2-higgs-doublet Model Qcd Corrections Standard Model String Model Meson Decay Top-quark
摘要In the testable Flipped SU(5) x U( 1)x model with TeV-scale vector-like particles from F-theory model building clubbed as the F-SU(5) model, we study the vector-like quark contributions to B physics processes, including the quark mass spectra, Feynman rules, new operators and Wilson coefficients, etc. We focus on the implications of the vector-like quark mass scale on B physics. We find that there exists the (s) over bar bZ interaction at tree level, and the Yukawa interactions are changed. Interestingly, different from many previous models, the effects of vector-like quarks on rare B decays such as B -> X-s gamma and B -> X(s)l(+)l(-) do not decouple in some viable parameter space, especially when the vectorlike quark masses are comparable to the charged Higgs boson mass. Under the constraints from B -> X-s gamma and B -> X(s)l(+)l(-) the latest measurement for B-s -> mu(+)mu(-) can be explained naturally, and the branching ratio of B-s -> l(+)l(-)gamma can be up to (4 similar to 5) x 10(-8). The non-decoupling, effects are much more predictable and thus the F-SU(5) model may be tested in the near future experiments.
2012
ISSN1029-8479
期号7页码:190
学科领域Physics
收录类别SCI
项目资助者Natural Science Foundation of China [11005006, 11172008, 10821504, 11075194, 11135003]; DOE [DE-FG03-95-Er-40917]; Doctor Foundation of BJUT [X0006015201102] ; Natural Science Foundation of China [11005006, 11172008, 10821504, 11075194, 11135003]; DOE [DE-FG03-95-Er-40917]; Doctor Foundation of BJUT [X0006015201102] ; Natural Science Foundation of China [11005006, 11172008, 10821504, 11075194, 11135003]; DOE [DE-FG03-95-Er-40917]; Doctor Foundation of BJUT [X0006015201102] ; Natural Science Foundation of China [11005006, 11172008, 10821504, 11075194, 11135003]; DOE [DE-FG03-95-Er-40917]; Doctor Foundation of BJUT [X0006015201102]
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15065
专题理论物理所科研产出_SCI论文
通讯作者Li, TJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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Li, TJ,Nanopoulos, DV,Wang, WY,et al. Rare B decays in the F-SU(5) model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(7):190.
APA Li, TJ,Nanopoulos, DV,Wang, WY,Wang, XC,Xiong, ZH,&Li, TJ .(2012).Rare B decays in the F-SU(5) model.JOURNAL OF HIGH ENERGY PHYSICS(7),190.
MLA Li, TJ,et al."Rare B decays in the F-SU(5) model".JOURNAL OF HIGH ENERGY PHYSICS .7(2012):190.
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