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Measurement of the CP-violating phase ϕs in B[bar]0s→D+sD−s decays

We present a measurement of the CP-violating weak mixing phase ϕs using the decay ¯B0s→D+sD−s in a data sample corresponding to 3.0 fb−1 of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 and 8 TeV. An analysis of the time evolution of the syst...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Bien, Alexander (Author) , Comerma-Montells, Albert (Author) , De Cian, Michel (Author) , Dordei, Francesca (Author) , Esen, Sevda (Author) , Färber, Christian (Author) , Gersabeck, Evelina (Author) , Grillo, Lucia (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Jäger, Andreas (Author) , Kolpin, Michael (Author) , Kreplin, Katharina (Author) , Krocker, Georg Alexander (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Meißner, Marco (Author) , Neuner, Max (Author) , Nikodem, Thomas (Author) , Seyfert, Paul (Author) , Stahl, Marian (Author) , Stahl, Sascha (Author) , Uwer, Ulrich (Author) , Vesterinen, Mika (Author) , Wandernoth, Sebastian (Author) , Wiedner, Dirk (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 20 November 2014
In: Physical review letters
Year: 2014, Volume: 113, Issue: 21
ISSN:1079-7114
DOI:10.1103/PhysRevLett.113.211801
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.113.211801
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.113.211801
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Author Notes:R. Aaij et al. (LHCb Collaboration)
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Summary:We present a measurement of the CP-violating weak mixing phase ϕs using the decay ¯B0s→D+sD−s in a data sample corresponding to 3.0 fb−1 of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 and 8 TeV. An analysis of the time evolution of the system, which does not use the constraint |λ|=1 to allow for the presence of CP violation in decay, yields ϕs=0.02±0.17(stat)±0.02(syst) rad, |λ|=0.91+0.18−0.15(stat)±0.02(syst). This result is consistent with the standard model expectation.
Item Description:LHCb Collaboration: R. Aaij, C. Abellán Beteta, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander [und 696 weitere]
Im Titel hat der Buchstabe "B" einen Oberstrich, die Ziffer 0 sowie die Zeichen + und - sind stets hochgestellt, das "s" erscheint stets tiefgestellt
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Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.113.211801

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