Evidence of a J/ψΛ structure and observation of excited Ξ- states in the Ξ-b → J/ψΛK- decay

First evidence of a structure in the J/ψΛ invariant mass distribution is obtained from an amplitude analysis of Ξb- → J/ψΛK- decays. The observed struct…

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Bibliographic Details
Main Authors:	Aaij, Roel (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Frau, Giulia (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Malygina, Hanna (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author)
Corporate Author:	LHCb Collaboration (Author)
Format:	Article (Journal)
Language:	English
Published:	9 March 2021
In:	Science bulletin Year: 2021, Volume: 66, Issue: 13, Pages: 1278-1287
ISSN:	2095-9281
DOI:	10.1016/j.scib.2021.02.030
Online Access:	Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.scib.2021.02.030 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S2095927321001717
Author Notes:	LHCb Collaboration

Description
Summary:	First evidence of a structure in the J/ψΛ invariant mass distribution is obtained from an amplitude analysis of Ξb- → J/ψΛK- decays. The observed struct…
Item Description:	Im Text ist "b" tiefgestellt, "-" jeweils hochgestellt LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, H. Malygina, J. Marks, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und viele weitere] Gesehen am 13.10.2021
Physical Description:	Online Resource
ISSN:	2095-9281
DOI:	10.1016/j.scib.2021.02.030