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Observation of B+c→J/[psi]D(*)K(*) decays

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A search for the decays B+c→J/ψD(*)0K+ and B+c→J/ψD(*)+K*0 is performed with data collected at the LHCb experiment corresponding to an integrated luminosity of 3 fb−1. The decays B+c→J/ψD0K+ and B+c→J/ψD*0K+ are observed for the first time, while first evidence is reported for the B+c→J/ψD*+K*0 and...

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Main Authors: Aaij, Roel (Author) , D'Argent, Philippe (Author) , Bachmann, Sebastian (Author) , Braun, Svende (Author) , Britsch, Markward (Author) , Comerma-Montells, Albert (Author) , De Cian, Michel (Author) , Esen, Sevda (Author) , Gerick, David (Author) , Gersabeck, Evelina (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Kecke, Matthieu (Author) , Khanji, Basem (Author) , Kolpin, Michael (Author) , Kreplin, Katharina (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Meißner, Marco (Author) , Mitzel, Dominik (Author) , Neubert, Sebastian (Author) , Neuner, Max (Author) , Nikodem, Thomas (Author) , Piucci, Alessio (Author) , Schiller, Manuel (Author) , Seyfert, Paul (Author) , Stemmle, Simon (Author) , Tilburg, Jeroen van (Author) , Uwer, Ulrich (Author) , Vesterinen, Mika (Author) , Waldi, Roland (Author) , Zhelezov, Alexey (Author) , Stahl, Marian (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 21 February 2017
In: Physical review
Year: 2017, Volume: 95, Issue: 3
ISSN:2470-0029
DOI:10.1103/PhysRevD.95.032005
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.95.032005
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.95.032005
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Author Notes:R. Aaij et al.* (LHCb Collaboration)
Description
Summary:A search for the decays B+c→J/ψD(*)0K+ and B+c→J/ψD(*)+K*0 is performed with data collected at the LHCb experiment corresponding to an integrated luminosity of 3 fb−1. The decays B+c→J/ψD0K+ and B+c→J/ψD*0K+ are observed for the first time, while first evidence is reported for the B+c→J/ψD*+K*0 and B+c→J/ψD+K*0 decays. The branching fractions of these decays are determined relative to the B+c→J/ψπ+ decay. The B+c mass is measured, using the J/ψD0K+ final state, to be 6274.28±1.40(stat)±0.32(syst) MeV/c2. This is the most precise single measurement of the B+c mass to date.
Item Description:R. Aaij, P. d’Argent, S. Bachmann, S. Braun, M. Britsch, A. Comerma-Montells, M. De Cian, S. Esen, D.Gerick, E. Gersabeck, X.Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, K. Kreplin, B. Leverington, J. Marks, M. Meissner, D.S. Mitzel, S. Neubert, M. Neuner, T. Nikodem, A. Piucci, P. Seyfert, M. Schiller, M. Stahl, S. Stemmle, J. v. Tilburg, U. Uwer, M. Vesterinen, R. Waldi, A. Zhelezov [und weitere]
Im Titel sind die Zeichen "+" und "c" übereinander geschrieben, wobei "+" oben und "c" unten steht
Im Titel sind "+" und "(*)" hochgestellt
Im Titel wird "psi" als griechischer Buchstabe dargestellt
Im Titel ist "ast" oder "teardrop-spoked asterisk" als Symbol (Tropfensternchen) dargestellt
Gesehen am 30.10.2018
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.95.032005

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