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Measurement of the branching fraction and CP asymmetry in B+ → J/[rho] [phi] + decays

The branching fraction and direct CP asymmetry of the decay B+→J/ψρ+ are measured using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to a total integrated luminosity of 3 fb −1. The following results are obtained: B(B+→J/ψρ+)A...

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Main Authors: Aaij, Roel (Author) , D'Argent, Philippe (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Braun, Svende (Author) , Comerma-Montells, Albert (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) , Neuner, Max (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: 24 June 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Volume: 79, Issue: 6
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-6698-3
Online Access:Verlag, Volltext: http://dx.doi.org/10.1140/epjc/s10052-019-6698-3
Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-019-6698-3
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Author Notes:Aaij, R. et al. (LHCb Collaboration)
Description
Summary:The branching fraction and direct CP asymmetry of the decay B+→J/ψρ+ are measured using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to a total integrated luminosity of 3 fb −1. The following results are obtained: B(B+→J/ψρ+)ACP(B+→J/ψρ+)=(3.81+0.25−0.24±0.35)×10−5,=−0.045+0.056−0.057±0.008, where the first uncertainties are statistical and the second systematic. Both measurements are the most precise to date.
Item Description:Gesehen am 28.11.2019
Im Titel sind die Zeichen "+" hochgestellt
Im Titel sind [rho] und [phi] als griechische Buchstaben dargestellt
Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-6698-3

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