Bs,d→ℓ+ℓ− in the Standard Model with Reduced Theoretical Uncertainty



Bobeth, Christoph, Gorbahn, Martin, Hermann, Thomas, Misiak, Mikolaj, Stamou, Emmanuel and Steinhauser, Matthias
(2014) Bs,d→ℓ+ℓ− in the Standard Model with Reduced Theoretical Uncertainty. Physical Review Letters (PRL), 112 (10). 101801-.

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Abstract

We combine our new results for the O(αem) and O(αs2) corrections to Bs,d→ℓ+ℓ−, and present updated branching ratio predictions for these decays in the standard model. Inclusion of the new corrections removes major theoretical uncertainties of perturbative origin that have just begun to dominate over the parametric ones. For the recently observed muonic decay of the Bs meson, our calculation gives B¯(Bs→μ+μ−)=(3.65±0.23)×10−9

Item Type: Article
Additional Information: 4 pages, 1 figure; v3: matches the published version in Phys. Rev. Lett. 112, 101801 (2014); title and ordering of references modified; results unchanged
Uncontrolled Keywords: hep-ph, hep-ph, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 03 Mar 2017 11:42
Last Modified: 19 Jan 2023 07:14
DOI: 10.1103/PhysRevLett.112.101801
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3006199