Evidence for the decay B-s(0) -> (K)over-bar(*0) mu(+)mu(-)



Aaij, R, Adeva, B, Adinolfi, M, Ajaltouni, Z, Akar, S, Albicocco, P, Albrecht, J, Alessio, F, Alexander, M, Alfonso Albero, A
et al (show 783 more authors) (2018) Evidence for the decay B-s(0) -> (K)over-bar(*0) mu(+)mu(-) JOURNAL OF HIGH ENERGY PHYSICS, 2018 (7). 20-. ISSN 1029-8479, 1029-8479

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Abstract

A search for the decay BS0→K¯∗0μ+μ− is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, respectively. An excess is found over the background-only hypothesis with a significance of 3.4 standard deviations. The branching fraction of the BS0→K¯∗0μ+μ− decay is determined to be ℬ(Bs0→K¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8, where the first and second uncertainties are statistical and systematic, respectively. The third uncertainty is due to limited knowledge of external parameters used to normalise the branching fraction measurement.[Figure not available: see fulltext.].

Item Type: Article
Uncontrolled Keywords: B physics, FCNC Interaction, Flavor physics, Hadron-Hadron scattering (experiments), Rare decay
Depositing User: Symplectic Admin
Date Deposited: 13 Aug 2018 07:03
Last Modified: 22 Jan 2026 08:00
DOI: 10.1007/JHEP07(2018)020
Open Access URL: https://arxiv.org/pdf/1804.07167v2.pdf
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3024846
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