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

Dutta, Bhaskar; Mimura, Yukihiro

doi:10.1103/PhysRevD.91.095011

Title: Enhancement of $Br (B_{d} \to μ^{+} μ^{-}) / Br (B_{s} \to μ^{+} μ^{-})$ in supersymmetric unified models

Journal Article · Thu May 14 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.91.095011· OSTI ID:1179754

Dutta, Bhaskar; Mimura, Yukihiro

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 B_d→μ⁺μ⁻ decay and the CP phase in the B_d→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 m_A≤1 TeV and tanβ_H(≡v_u/v_d)≲20 for squark and gluino masses around 2 TeV.

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-13ER42020; SC0010813

OSTI ID:: 1179754

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Vol. 91 Journal Issue: 9; ISSN 1550-7998

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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Title: Enhancement of $Br (B_{d} \to μ^{+} μ^{-}) / Br (B_{s} \to μ^{+} μ^{-})$ in supersymmetric unified models