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Measurement of the polarization amplitudes and triple product asymmetries in the B0s→ [phi][phi] decay*

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Heavy quark production in 7 TeV centre-of-mass energy pp collisions at the LHC is not necessarily flavour symmetric. The production asymmetry, AP, between Ds+ and Ds− mesons is studied using the ϕπ± decay mode in a data sample of 1.0 fb−1 collected with the LHCb detector. The difference between π+ a...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Bien, Alexander (Author) , Blouw, Johan (Author) , Dordei, Francesca (Author) , Eisele, Franz (Author) , Färber, Christian (Author) , Gersabeck, Evelina (Author) , Hansmann-Menzemer, Stephanie (Author) , Hartmann, Tobias (Author) , Holubyev, Kostya (Author) , Jäger, Andreas (Author) , Kreplin, Katharina (Author) , Krocker, Georg Alexander (Author) , Krokovny, Pavel (Author) , Langenbruch, Christoph (Author) , Linn, Christian (Author) , Marks, Jörg (Author) , Seyfert, Paul (Author) , Stahl, Sascha (Author) , Tilburg, Jeroen van (Author) , Uwer, Ulrich (Author) , Waldi, Roland (Author) , Wandernoth, Sebastian (Author) , Wiedner, Dirk (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 2012
In: Physics letters
Year: 2012, Volume: 713, Issue: 4/5, Pages: 369-377
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.06.012
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/j.physletb.2012.06.012
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269312006387?via%3Dihub
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Author Notes:LHCb Collaboration
Description
Summary:Heavy quark production in 7 TeV centre-of-mass energy pp collisions at the LHC is not necessarily flavour symmetric. The production asymmetry, AP, between Ds+ and Ds− mesons is studied using the ϕπ± decay mode in a data sample of 1.0 fb−1 collected with the LHCb detector. The difference between π+ and π− detection efficiencies is determined using the ratios of fully reconstructed to partially reconstructed D⁎± decays. The overall production asymmetry in the Ds± rapidity region 2.0 to 4.5 with transverse momentum larger than 2 GeV is measured to be AP=(−0.33±0.22±0.10)%. This result can constrain models of heavy flavour production.
Item Description:Available online 8 June 2012
Im Titel sind "0" und "s" untereinander geschrieben: "0" hochgestellt, "s" tiefgestellt
Im Titel ist "phi" als griechischer Buchstabe dargestellt
Gesehen am 26.06.2018
LHCb Collaboration: R. Aaij, S. Bachmann, A. Bien, J. Blouw, F. Dordei, F. Eisele, C. Fäber, E. Gersabeck, S. Hansmann-Menzemer, T. Hartmann, K. Holubyev, A. Jaeger, K. Kreplin, G. Krocker, P. Krokovny, C. Langenbruch, C. Linn, J. Marks, P. Seyfert, S. Stahl, J. v. Tilburg, U. Uwer, R. Waldi, S. Wandernoth, D. Wiedner, A. Zhelezov [und weitere]
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.06.012

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