Relating Bs mixing and Bs→μ+μ - with new physics

Eugene Golowich; Joanne Hewett; Sandip Pakvasa; Alexey A. Petrov; Gagik K. Yeghiyan

doi:10.1103/PhysRevD.83.114017

Relating B_s mixing and B_s→μ⁺μ ^- with new physics

Eugene Golowich
, Joanne Hewett
, Sandip Pakvasa
, Alexey A. Petrov
, Gagik K. Yeghiyan

Institute for Theoretical Physics

Stony Brook University

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We perform a study of the standard model fit to the mixing quantities ΔM_Bs, and ΔΓ_B _s/ΔM_Bs in order to bound contributions of new physics (NP) to B_s mixing. We then use this to explore the branching fraction of B_s→μ⁺μ^- in certain models of NP. In most cases, this constrains NP amplitudes for B _s→μ⁺μ^- to lie below the standard model component.

Original language	English
Article number	114017
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.83.114017
State	Published - Jun 7 2011

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abstract = "We perform a study of the standard model fit to the mixing quantities ΔMBs, and ΔΓB s/ΔMBs in order to bound contributions of new physics (NP) to Bs mixing. We then use this to explore the branching fraction of Bs→μ+μ- in certain models of NP. In most cases, this constrains NP amplitudes for B s→μ+μ- to lie below the standard model component.",

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AU - Yeghiyan, Gagik K.

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Relating B_s mixing and B_s→μ⁺μ ^- with new physics

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