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Search for the rare decay β + → [my] + [my] - [my] + γ [my]

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A search for the rare leptonic decay B+→μ+μ−μ+νμ is performed using proton-proton collision data corresponding to an integrated luminosity of $$4.7 \, {\hbox {fb}}^{-1}$$4.7fb-1collected by the LHCb experiment. The search is carried out in the region where the lowest of the two $${\mu ^+\mu ^-} $$μ+...

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Main Authors: Aaij, Roel (Author) , D'Argent, Philippe (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Braun, Svende (Author) , De Cian, Michel (Author) , Comerma-Montells, Albert (Author) , Dordei, Francesca (Author) , Dziewiecki, Michal (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kecke, Matthieu (Author) , Kolpin, Michael (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Mitzel, Dominik (Author) , Neubert, Sebastian (Author) , Piucci, Alessio (Author) , Skidmore, Nicola (Author) , Stahl, Marian (Author) , Stemmle, Simon (Author) , Uwer, Ulrich (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 13 August 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Volume: 79, Issue: 8
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7112-x
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-019-7112-x
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Author Notes:LHCb Collaboration
Description
Summary:A search for the rare leptonic decay B+→μ+μ−μ+νμ is performed using proton-proton collision data corresponding to an integrated luminosity of $$4.7 \, {\hbox {fb}}^{-1}$$4.7fb-1collected by the LHCb experiment. The search is carried out in the region where the lowest of the two $${\mu ^+\mu ^-} $$μ+μ-mass combinations is below $$980 {\mathrm {\,MeV\!/}c^2} $$980MeV/c2. The data are consistent with the background-only hypothesis and an upper limit of $$1.6 \times 10^{-8}$$1.6×10-8at 95% confidence level is set on the branching fraction in the stated kinematic region.
Item Description:LHCb Collaboration: R. Aaij, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, A. Comerma-Montells, M. De Cian, P. d’Argent, F. Dordei, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, A. Piucci, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov [und viele weitere]
Im Titel ist "my" als griechischer Buchstabe dargestellt
Im Titel sind "+" und "-" hochgestellt, das letzte "my" tiefgestellt
Gesehen am 16.04.2020
Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7112-x

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