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Modification of χc1(3872) and ψ(2S) production in pPb collisions at √s NN = 8.16 TeV

The LHCb Collaboration measures production of the exotic hadron 𝜒𝑐⁢1⁡(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium state 𝜓⁡(2⁢𝑆) suggests that the exotic 𝜒𝑐⁢1⁡(3872) experiences different dynamics in the nuclear medium than conventional hadrons, and compariso...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Carus, Leon (Author) , Caspary, Rowina (Author) , Cocha Toapaxi, Carlos (Author) , De Cian, Michel (Author) , Frau, Giulia (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Langenbruch, Christoph (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Morgenthaler, Maurice Pierre (Author) , Pais, Preema (Author) , Roy, Shreya (Author) , Ruiz Diaz, Miguel (Author) , Tuci, Giulia (Author) , Uecker, Lennart Henning (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zhao, Ya (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 13 June, 2024
In: Physical review letters
Year: 2024, Volume: 132, Issue: 24, Pages: 1-12
ISSN:1079-7114
DOI:10.1103/PhysRevLett.132.242301
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.132.242301
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.132.242301
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Author Notes:R. Aaij et al. (LHCb Collaboration)
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Summary:The LHCb Collaboration measures production of the exotic hadron 𝜒𝑐⁢1⁡(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium state 𝜓⁡(2⁢𝑆) suggests that the exotic 𝜒𝑐⁢1⁡(3872) experiences different dynamics in the nuclear medium than conventional hadrons, and comparison with data from proton-proton collisions indicates that the presence of the nucleus may modify 𝜒𝑐⁢1⁡(3872) production rates. This is the first measurement of the nuclear modification factor of an exotic hadron.
Item Description:Im Text ist "χc1" und "NN" tiefgestellt
Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol
LHCb Collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, C. Cocha Toapaxi, M. De Cian, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, P.R. Pais, S.R. Roy, M. Ruiz Diaz, G. Tuci, L.H. Uecker, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und viele weitere]
Gesehen am 13.05.2025
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.132.242301

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