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Relating Bs Mixing And Bs → Μ+Μ− With New Physics, Eugene Golowich, Joanne Hewett, Sandip Pakvasa, Alexey A. Petrov, Gagik K. Yeghiyan
Relating Bs Mixing And Bs → Μ+Μ− With New Physics, Eugene Golowich, Joanne Hewett, Sandip Pakvasa, Alexey A. Petrov, Gagik K. Yeghiyan
Eugene Golowich
We perform a study of the Standard Model (SM) fit to the mixing quantities ∆MB_s, and ∆TB_s/∆MB_s in order to bound contributions of New Physics to B_s mixing. We then use this to explore the branching fraction of B_s → μ+μ− in certain models of New Physics (NP). In most cases, this constrains NP amplitudes for B_s → μ+μ− to lie below the SM component.