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Calibbi, L; Crivellin, A; Ota, T; Calibbi, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Effective Field Theory Approach to b -> sll((1)), B -> K-(*) nu(nu)over-bar and B -> D(*)tau nu with Third Generation Couplings
Source PublicationPHYSICAL REVIEW LETTERS
Language英语
AbstractThe LHCb Collaboration reported anomalies in B -> K*mu(+)mu(-), B-s -> phi mu(+)mu(-), and R(K) = B -> K mu(+)mu(-)/B -> Ke(+)e(-). Furthermore, BABAR, BELLE, and LHCb Collaborations found hints for the violation of lepton-flavor universality violation in R(D-(*)) = B -> D-(*) t nu/B -> D-(*) l nu. In this Letter we reexamine these decays and their correlations to B -> K-(*) nu(nu) over bar using gauge invariant dim-6 operators. For the numerical analysis we focus on scenarios in which new physics couples, in the interaction eigenbasis, to third generation quarks and lepton only. We conclude that such a setup can explain the b -> s mu(+)mu-data simultaneously with R(D-(*)) for small mixing angles in the lepton sector (of the order of pi/16) and very small mixing angles in the quark sector (smaller than V-cb). In these regions of parameter space, B -> K-(*)tau mu and B-s -> tau mu can be order 10(-6). Possible UV completions are briefly discussed.
2015
Volume115Issue:18Pages:181801
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1103/PhysRevLett.115.181801
Indexed BySCI
Funding OrganizationMarie Curie Intra-European Fellowship of the European Community [PIEF-GA-2012-326948] ; Marie Curie Intra-European Fellowship of the European Community [PIEF-GA-2012-326948] ; Marie Curie Intra-European Fellowship of the European Community [PIEF-GA-2012-326948] ; Marie Curie Intra-European Fellowship of the European Community [PIEF-GA-2012-326948] ; Japan Society for the Promotion of Science under KAKENHI [26105503] ; Japan Society for the Promotion of Science under KAKENHI [26105503] ; Japan Society for the Promotion of Science under KAKENHI [26105503] ; Japan Society for the Promotion of Science under KAKENHI [26105503] ; Munich Institute for Astro- and Particle Physics ; Munich Institute for Astro- and Particle Physics ; Munich Institute for Astro- and Particle Physics ; Munich Institute for Astro- and Particle Physics
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20813
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCalibbi, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Calibbi, L,Crivellin, A,Ota, T,et al. Effective Field Theory Approach to b -> sll((1)), B -> K-(*) nu(nu)over-bar and B -> D(*)tau nu with Third Generation Couplings[J]. PHYSICAL REVIEW LETTERS,2015,115(18):181801.
APA Calibbi, L,Crivellin, A,Ota, T,&Calibbi, L .(2015).Effective Field Theory Approach to b -> sll((1)), B -> K-(*) nu(nu)over-bar and B -> D(*)tau nu with Third Generation Couplings.PHYSICAL REVIEW LETTERS,115(18),181801.
MLA Calibbi, L,et al."Effective Field Theory Approach to b -> sll((1)), B -> K-(*) nu(nu)over-bar and B -> D(*)tau nu with Third Generation Couplings".PHYSICAL REVIEW LETTERS 115.18(2015):181801.
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