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Guo, SY; Han, ZL; Li, B; Liao, Y2,3; Ma, XD
Interpreting the R-K(*) anomaly in the colored Zee-Babu model
发表期刊NUCLEAR PHYSICS B
语种英语
关键词B-DECAY ANOMALIES NEUTRINO MASSES R-K TEV SCALE OPERATORS LEPTOQUARK PATHWAYS PHYSICS LHC
摘要We consider the feasibility of interpreting the R-K(*) anomaly in the colored Zee-Babu model. The model generates neutrino masses at two loops with the help of a scalar leptoquark S similar to (3, 3, -1/3) and a scalar diquark omega similar to (6, 1, -2/3), and contributes to the transition b -> sl(-)l(+) via the exchange of a leptoquark Sat tree level. Under constraints from lepton flavor violating (LFV) and flavor changing neutral current (FCNC) processes, and direct collider searches for heavy particles, we acquire certain parameter space that can accommodate the R-K(*) anomaly for both normal (NH) and inverted (IH) hierarchies of neutrino masses. We further examine the LFV decays of the B meson, and find a strong correlation with the neutrino mass hierarchy, i.e., Br(B+ -> K+mu(+/-)tau -/+) greater than or similar to Br(B+ -> K+mu(+/-)e(-/+)) approximate to Br(B+ -> K+tau(+/-)e(-/+)) for NH, while Br(B+ -> K+mu(+/-)tau(-/+)) << Br(B+ -> K+mu(+/-)e(-/+)) approximate to Br(B+ -> K+tau(+/-)e(-/+)) for IH. Among these decays, only B+ -> K+mu +/- e(-/+) in the case of NH is promising at the LHCb RUN II, while for IH all LFV decays are hard to detect in the near future. (C) 2018 The Author(s). Published by Elsevier B.V.
2018
ISSN0550-3213
卷号928页码:435-447
学科领域Physics
学科门类Physics, Particles & Fields
DOI10.1016/j.nuclphysb.2018.01.024
收录类别SCIE
引用统计
被引频次:9[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/311006/22949
专题理论物理所科研产出_SCI论文
作者单位1.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
2.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
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GB/T 7714
Guo, SY,Han, ZL,Li, B,et al. Interpreting the R-K(*) anomaly in the colored Zee-Babu model[J]. NUCLEAR PHYSICS B,2018,928:435-447.
APA Guo, SY,Han, ZL,Li, B,Liao, Y,&Ma, XD.(2018).Interpreting the R-K(*) anomaly in the colored Zee-Babu model.NUCLEAR PHYSICS B,928,435-447.
MLA Guo, SY,et al."Interpreting the R-K(*) anomaly in the colored Zee-Babu model".NUCLEAR PHYSICS B 928(2018):435-447.
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