Electroweak corrections to <i>Bs</i>,<i>d</i> → <i>l</i><SUP>+</SUP><i>l</i><SUP>-</SUP>



Bobeth, Christoph, Gorbahn, Martin and Stamou, Emmanuel
(2014) Electroweak corrections to <i>Bs</i>,<i>d</i> → <i>l</i><SUP>+</SUP><i>l</i><SUP>-</SUP>. PHYSICAL REVIEW D, 89 (3). 034023-.

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Abstract

We calculate the full two-loop electroweak matching corrections to the operator governing the decay B_q --> l^+ l^- in the Standard Model. Their inclusion removes an electroweak scheme and scale uncertainty of about 7% of the branching ratio. Using different renormalization schemes of the involved electroweak parameters, we estimate residual perturbative electroweak and QED uncertainties to be less than 1% at the level of the branching ratio.

Item Type: Article
Additional Information: 16 pages, 6 figures, supplementary Mathematica file "c10.m" with analytical results; v2: references updated
Uncontrolled Keywords: hep-ph, hep-ph, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 03 Mar 2017 11:41
Last Modified: 05 Oct 2023 09:59
DOI: 10.1103/PhysRevD.89.034023
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3006201