Interpreting the R-K(*) anomaly in the colored Zee-Babu model

doi:10.1016/j.nuclphysb.2018.01.024

ITP OpenIR > SCI期刊论文

	Guo, SY ; Han, ZL ; Li, B ; Liao, Y 2,3; Ma, XD
	*Interpreting the R-K() anomaly in the colored Zee-Babu model**
Source Publication	NUCLEAR PHYSICS B
Language	英语
Keyword	B-DECAY ANOMALIES NEUTRINO MASSES R-K TEV SCALE OPERATORS LEPTOQUARK PATHWAYS PHYSICS LHC
Abstract	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
ISSN	0550-3213
Volume	928 Pages:435-447
Subject Area	Physics
MOST Discipline Catalogue	Physics, Particles & Fields
DOI	10.1016/j.nuclphysb.2018.01.024
Indexed By	SCIE
Citation statistics	Cited Times:19[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/22949
Collection	SCI期刊论文
Affiliation	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
Recommended Citation 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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