On the interpretation of Bs → μ+μ - in the CMSSM

John Ellis; Keith A. Olive; Vassilis C. Spanos

doi:10.1016/j.physletb.2005.07.066

On the interpretation of B_s → μ⁺μ ^- in the CMSSM

John Ellis, Keith A. Olive, Vassilis C. Spanos

Physics and Astronomy (Twin Cities)

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58 Scopus citations

Abstract

We discuss the interpretation of present and possible future experimental constraints on B_s → μ⁺μ^- decay in the context of the constrained minimal extension of the Standard Model (CMSSM) with universal scalar masses. We emphasize the importance of including theoretical and other experimental uncertainties in calculating the likelihood function, which can affect significantly the inferred 95% confidence-level limit on the CMSSM parameters. The principal uncertainties are the B_s meson decay constant, m_t and m_b. The latter induce uncertainties in the mass of the neutral Higgs boson that dominates the B _s → μ⁺μ^- decay amplitude at large tan β, reducing the CMSSM region excluded by present and possible future limits from the Fermilab Tevatron collider and the LHC.

Original language	English (US)
Pages (from-to)	47-59
Number of pages	13
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	624
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2005.07.066
State	Published - Sep 22 2005

Bibliographical note

Funding Information:
The work of K.A.O. and V.C.S. was supported in part by DOE grant DE-FG02-94ER-40823. We would like to thank D. Cronin-Hennessy, C. Sachrajda and M. Voloshin for helpful discussions.

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abstract = "We discuss the interpretation of present and possible future experimental constraints on Bs → μ+μ- decay in the context of the constrained minimal extension of the Standard Model (CMSSM) with universal scalar masses. We emphasize the importance of including theoretical and other experimental uncertainties in calculating the likelihood function, which can affect significantly the inferred 95% confidence-level limit on the CMSSM parameters. The principal uncertainties are the Bs meson decay constant, mt and mb. The latter induce uncertainties in the mass of the neutral Higgs boson that dominates the B s → μ+μ- decay amplitude at large tan β, reducing the CMSSM region excluded by present and possible future limits from the Fermilab Tevatron collider and the LHC.",

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