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Title: Enhancement of Br ( B d μ + μ - ) / Br ( B s μ + μ - ) in supersymmetric unified models

We explain the 2.3σ deviation in the recent measurements of the neutral B meson decays into muon pairs from the standard model prediction in the framework of supersymmetric grand unified models using antisymmetric coupling as a new source of flavor violation. We show a correlation between the Bd→μ⁺μ⁻ decay and the CP phase in the Bd→J/ψK decay and that their deviations from the standard model predictions can be explained after satisfying constraints arising from various hadronic and leptonic rare decay processes, B-B¯, K-K¯ oscillation data, and electric dipole moments of electron and neutron. The allowed parameter space is typically represented by pseudoscalar Higgs mass mA≤1 TeV and tanβH(≡vu/vd)≲20 for squark and gluino masses around 2 TeV.
Publication Date:
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Publisher's Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 91; Journal Issue: 9; Related Information: CHORUS Timestamp: 2017-04-05 20:30:18; Journal ID: ISSN 1550-7998
American Physical Society
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Country of Publication:
United States