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Observation of two resonances in the [lambda]0b π± systems and precise measurement of [sigma]±b and [sigma][star] ±b properties

The first observation of two structures consistent with resonances in the final states Λ0bπ− and Λ0bπ+ is reported using samples of pp collision data collected by the LHCb experiment at √s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. The ground states Σ±b and Σ*±b are also confi...

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Main Authors: Aaij, Roel (Author) , D'Argent, Philippe (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Braun, Svende (Author) , Comerma-Montells, Albert (Author) , Dziewiecki, Michal (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Kecke, Matthieu (Author) , Khanji, Basem (Author) , Kolpin, Michael (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Mitzel, Dominik (Author) , Neubert, Sebastian (Author) , Neuner, Max (Author) , Piucci, Alessio (Author) , Skidmore, Nicola (Author) , Stahl, Marian (Author) , Stemmle, Simon (Author) , Uwer, Ulrich (Author) , Zhelezov, Alexey (Author) , Seyfert, Paul (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 11 January 2019
In: Physical review letters
Year: 2019, Volume: 122, Issue: 1
ISSN:1079-7114
DOI:10.1103/PhysRevLett.122.012001
Online Access:Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.122.012001
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.122.012001
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Author Notes:R. Aaij et al.*(LHCb Collaboration)
Description
Summary:The first observation of two structures consistent with resonances in the final states Λ0bπ− and Λ0bπ+ is reported using samples of pp collision data collected by the LHCb experiment at √s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. The ground states Σ±b and Σ*±b are also confirmed and their masses and widths are precisely measured.
Item Description:Im Titel werden die Buchstaben Lambda, Sigma und star als griechische Buchstaben dargestellt
Im Titel sind "+" und "-" untereinander geschrieben: "plus" hochgestellt, "minus" tiefgestellt
Im Titel sind "0" und "b" untereinander geschrieben: "0" hochgestellt, "b" tiefgestellt
Im Titel ist "star" hochgestellt
LHCb Collaboration: R. Aaij, P. d'Argent, S. Bachmann, D. Berninghoff, S. Braun, A. Comerma-Montells, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, P. Seyfert, M. Stahl, S. Stemmle, N. Skidmore, U. Uwer, A. Zhelezov [und weitere] (LHCb collaboration)
Gesehen am 22.05.2019
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.122.012001

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