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Search for decays of neutral beauty mesons into four muons

Author(s)
LHCB Collaboration; Boettcher, Thomas Julian; Ilten, Philip J; Williams, Michael
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Abstract
A search for the non-resonant decays B[subscript s]⁰→ μ⁺μ⁻μ⁺μ⁻ and B⁰→ μ⁺μ⁻μ⁺μ⁻ is presented. The measurement is performed using the full Run 1 data set collected in proton-proton collisions by the LHCb experiment at the LHC. The data correspond to integrated luminosities of 1 and 2 fb⁻¹ collected at centre-of-mass energies of 7 and 8 TeV, respectively. No signal is observed and upper limits on the branching fractions of the non-resonant decays at 95% confidence level are determined to be ℬ(B[subscript s]⁰→μ⁺μ⁻μ⁺μ⁻)<2.5×10⁻⁹, ℬ(B⁰→μ⁺μ⁻μ⁺μ⁻)< 6.9 ×10⁻¹⁰ Keywords: B physics; Flavour Changing Neutral Currents; Hadron-Hadron scattering (experiments); Rare decay Supersymmetry
Date issued
2017-03
URI
http://hdl.handle.net/1721.1/118628
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
Aaij, R. et al. “Search for Decays of Neutral Beauty Mesons into Four Muons.” Journal of High Energy Physics 2017, 3 (March 2017): 1 © 2017 The Author(s)
Version: Final published version
ISSN
1029-8479

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