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Measurement of ψ (2S) polarisation in pp collisions at √s = 7 TeV

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The polarisation of prompt ψ (2S) mesons is measured by performing an angular analysis of ψ (2S)→μ+μ− decays using proton-proton collision data, corre-sponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in...

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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) , De Cian, Michel (Author) , Di Canto, Angelo (Author) , Dordei, Francesca (Author) , Esen, Sevda (Author) , Färber, Christian (Author) , Fontana, Marianna (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) , Schmelling, Michael (Author) , Seyfert, Paul (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 May 2014
In: The European physical journal. C, Particles and fields
Year: 2014, Volume: 74, Issue: 5
ISSN:1434-6052
DOI:10.1140/epjc/s10052-014-2872-9
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-014-2872-9
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Author Notes:The LHCb Collaboration
Description
Summary:The polarisation of prompt ψ (2S) mesons is measured by performing an angular analysis of ψ (2S)→μ+μ− decays using proton-proton collision data, corre-sponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum pT and rapidity y in the kinematic region 3.5<pT<15 GeV/c and 2.0<y<4.5, and is compared to theoretical models. No significant polarisation is observed.
Item Description:The LHCb Collaboration: R. Aaij, O. Aquines Gutierrez, S. Bachmann, A. Bien, J. Blouw, M. Britsch, M. De Cian, A. Di Canto, F. Dordei, S. Esen, C. Färber, M. Fontana, E. Gersabeck, L. Grillo, X. Han, S. Hansmann-Menzemer, A. Jaeger, M. Kolpin, K. Kreplin, G. Krocker, B. Leverington, J. Marks, M. Meissner, M. Neuner, T. Nikodem, M. Schmelling, P. Seyfert, S. Stahl, U. Uwer, M. Vesterinen, S. Wandernoth, D. Wiedner, A. Zhelezov [und viele weitere]
Gesehen am 14.10.2020
Im Titel ist "Psi" als griechischer Buchstabe dargestellt
Im Titel steht der Buchstabe s unter dem Wurzelsymbol
Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-014-2872-9

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