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Search for the doubly charmed baryon Ξ+cc

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A search for the doubly charmed baryon $$\Xi_{cc}^+$$ is performed through its decay to the $$\Lambda_c^ + {K^ -}{\pi ^ +}$$ final state, using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV. The data correspond to a total integrated lumin...

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Main Authors: Aaij, Roel (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Braun, Svende (Author) , Comerma-Montells, Albert (Author) , D'Argent, Philippe (Author) , Dembiski, H.-P. (Author) , Dziewiecki, Michal (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kecke, Matthieu (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Malygina, Hanna (Author) , Marks, Jörg (Author) , Meinert, Nis (Author) , Neubert, Sebastian (Author) , Piucci, Alessio (Author) , Schmelling, Michael (Author) , Skidmore, Nicola (Author) , Stemmle, Simon (Author) , Uwer, Ulrich (Author) , Viemann, Harald (Author) , Waldi, Roland (Author) , Zavertyaev, M. (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 2020
In: Science China. Physics, mechanics & astronomy
Year: 2019, Volume: 63, Issue: 2, Pages: 1-15
ISSN:1869-1927
DOI:10.1007/s11433-019-1471-8
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s11433-019-1471-8
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Author Notes:LHCb Collaboration
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Summary:A search for the doubly charmed baryon $$\Xi_{cc}^+$$ is performed through its decay to the $$\Lambda_c^ + {K^ -}{\pi ^ +}$$ final state, using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV. The data correspond to a total integrated luminosity of 9 fb−1. No significant signal is observed in the mass range from 3.4 to 3.8 GeV/c2. Upper limits are set at 95% credibility level on the ratio of the $$\Xi_{cc}^+$$ production cross-section times the branching fraction to that of $$\Lambda_c^ + $$ and $$\Xi_{cc}^{+ +}$$ baryons. The limits are determined as functions of the $$\Xi_{cc}^+$$ mass for different lifetime hypotheses, in the rapidity range from 2.0 to 4.5 and the transverse momentum range from 4 to 15 GeV/c.
Item Description:Im Titel ist "+" hochgestellt und "cc" tiefgestellt
The LHCb collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, A. Comerma-Montells, P. d’Argent, H.-P. Dembinski, M. Dziewiecki, D. Gerick, J. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, R. Kopecna, B. Leverington, H. Malygina, J. Marks, N. Meinert, S. Neubert, A. Piucci, M. Schmelling, N. Skidmore, S. Stemmle, U. Uwer, H. Viemann, R. Waldi, M. Zavertyaev, A. Zhelezov und weitere 879
Gesehen am 14.04.2021
Physical Description:Online Resource
ISSN:1869-1927
DOI:10.1007/s11433-019-1471-8

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