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Measurement of the effective B0s → J/ψK0S lifetime

This paper reports the first measurement of the effective Bs0→J/ψKS0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions, recorded by the LHCb experim...

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Main Authors: Aaij, Roel (Author) , Aquines Gutiérrez, Osvaldo (Author) , Bachmann, Sebastian (Author) , Bien, Alexander (Author) , Blouw, Johan (Author) , Britsch, Markward (Author) , Di Canto, Angelo (Author) , Dordei, Francesca (Author) , Färber, Christian (Author) , Fontana, Marianna (Author) , Gersabeck, Evelina (Author) , Grünberg, Oliver (Author) , Hansmann-Menzemer, Stephanie (Author) , Hartmann, Thomas (Author) , Jäger, Andreas (Author) , Kreplin, Katharina (Author) , Krocker, Georg Alexander (Author) , Leverington, Blake (Author) , Linn, Christian (Author) , Marks, Jörg (Author) , Meißner, Marco (Author) , Nikodem, Thomas (Author) , Popov, Dmitry (Author) , Schmelling, Michael (Author) , Seyfert, Paul (Author) , Stahl, Sascha (Author) , Tilburg, Jeroen van (Author) , Uwer, Ulrich (Author) , Volyanskyy, D. (Author) , Voß, Christian (Author) , Voss, H. (Author) , Waldi, Roland (Author) , Wandernoth, Sebastian (Author) , Wiedner, Dirk (Author) , Zavertyaev, M. (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 29 April 2013
In: Nuclear physics. B, Particle physics
Year: 2013, Volume: 873, Issue: 2, Pages: 275-292
ISSN:1873-1562
DOI:10.1016/j.nuclphysb.2013.04.021
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nuclphysb.2013.04.021
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0550321313002319
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Author Notes:LHCb Collaboration
Description
Summary:This paper reports the first measurement of the effective Bs0→J/ψKS0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions, recorded by the LHCb experiment in 2011 at a centre-of-mass energy of 7 TeV. The results are: τJ/ψKS0eff=1.75±0.12(stat)±0.07(syst) ps and B(Bs0→J/ψKS0)=(1.97±0.23)×10−5. For the latter measurement, the uncertainty includes both statistical and systematic sources.
Item Description:Im Titel ist "0" hochgestellt und "s" und "S" tiefgestellt
LHCb Collaboration: R. Aaij, O. Aquines Gutierrez, S. Bachmann, A. Bien, J. Blouw, M. Britsch, A. Di Canto, F. Dordei, C. Färber, M. Fontana, E. Gersabeck, O. Grünberg, S. Hansmann-Menzemer, T. Hartmann, A. Jaeger, K. Kreplin, G. Krocker, B. Leverington, C. Linn, J. Marks, M. Meissner, T. Nikodem, D. Popov, M. Schmelling, P. Seyfert, S. Stahl, J. van Tilburg, U. Uwer, D. Volyanskyy, C. Voß, H. Voss, R. Waldi, S. Wandernoth, D. Wiedner, M. Zavertyaev, A. Zhelezov und weitere 595
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Physical Description:Online Resource
ISSN:1873-1562
DOI:10.1016/j.nuclphysb.2013.04.021

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