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Near-threshold DD[bar] spectroscopy and observation of a new charmonium state

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Using proton-proton collision data, corresponding to an integrated luminosity of 9 fb−1, collected with the LHCb detector between 2011 and 2018, a new narrow charmonium state, the X(3842) resonance, is observed in the decay modes X3842→D0D¯0$$ \mathrm{X}(3842)\to {D}^0{\overline{D}}^0 $$ and X(3842)...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Braun, Svende (Author) , Comerma-Montells, Albert (Author) , D'Argent, Philippe (Author) , Dziewiecki, Michal (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kecke, Matthieu (Author) , Kolpin, Michael (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Malygina, Hanna (Author) , Mitzel, Dominik (Author) , Neubert, Sebastian (Author) , Marks, Jörg (Author) , Piucci, Alessio (Author) , Schmelling, Michael (Author) , Skidmore, Nicola (Author) , Stahl, Marian (Author) , Stemmle, Simon (Author) , Uwer, Ulrich (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: July 8, 2019
In: Journal of high energy physics
Year: 2019, Issue: 7
ISSN:1029-8479
DOI:10.1007/JHEP07(2019)035
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP07(2019)035
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Author Notes:the LHCb Collaboration
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Summary:Using proton-proton collision data, corresponding to an integrated luminosity of 9 fb−1, collected with the LHCb detector between 2011 and 2018, a new narrow charmonium state, the X(3842) resonance, is observed in the decay modes X3842→D0D¯0$$ \mathrm{X}(3842)\to {D}^0{\overline{D}}^0 $$ and X(3842) → D+D−. The mass and the natural width of this state are measured to be
Item Description:The LHCb Collaboration: R. Aaij, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, A. Comerma-Montells, P. d’Argent, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, M. Kolpin, R. Kopecná, B. Leverington, H. Malygina, J. Marks, D.S. Mitzel, S. Neubert, A. Piucci, N. Skidmore, M. Stahl, S. Stemmle, U. Umer, A. Zhelezov [und viele weitere]
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Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP07(2019)035

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