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Measurement of the lifetime of the doubly charmed baryon [xi]++cc

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The first measurement of the lifetime of the doubly charmed baryon Ξ++cc is presented, with the signal reconstructed in the final state Λ+cK−π+π+. The data sample used corresponds to an integrated luminosity of 1.7 fb−1, collected by the LHCb experiment in proton-proton collisions at a center-of-mas...

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Main Authors: Aaij, Roel (Author) , D'Argent, Philippe (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Comerma-Montells, Albert (Author) , Dziewiecki, Michal (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Kecke, Matthieu (Author) , Kolpin, Michael (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Mitzel, Dominik (Author) , Neubert, Sebastian (Author) , Neuner, Max (Author) , Skidmore, Nicola (Author) , Stemmle, Simon (Author) , Uwer, Ulrich (Author) , Zhelezov, Alexey (Author) , Stahl, Marian (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 31 July 2018
In: Physical review letters
Year: 2018, Volume: 121, Issue: 5
ISSN:1079-7114
DOI:10.1103/PhysRevLett.121.052002
Online Access:Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.121.052002
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.121.052002
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Author Notes:R. Aaij et al.* (LHCb Collaboration)
Description
Summary:The first measurement of the lifetime of the doubly charmed baryon Ξ++cc is presented, with the signal reconstructed in the final state Λ+cK−π+π+. The data sample used corresponds to an integrated luminosity of 1.7 fb−1, collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV. The Ξ++cc lifetime is measured to be 0.256+0.024−0.022(stat)±0.014(syst) ps.
Item Description:R. Aaij, P. d’Argent, S. Bachmann, D. Berninghoff, A. Comerma-Montells, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, M. Kecke, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov [und weitere] (LHCb collaboration)
Im Titel ist "xi" als griechischer Buchstabe dargestellt
Im Titel sind die Plus-Zeichen hoch-, die Buchstaben cc tiefgestellt
Gesehen am 18.04.2019
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.121.052002

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