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Measurement of the Λ+c to D0 production ratio in peripheral PbPb collisions at √sNN = 5.02 TeV

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We report on a measurement of the Λ+c to D0 production ratio in peripheral PbPb collisions at √sNN = 5.02 TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The Λ+c (D0) hadrons are reconstructed via the decay channel Λ+c → pK−π+ (D0 → K−π+) for 2 < pT < 8 GeV/c and i...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Frau, Giulia (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: June 22, 2023
In: Journal of high energy physics
Year: 2023, Issue: 6, Pages: 1-26
ISSN:1029-8479
DOI:10.1007/JHEP06(2023)132
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP06(2023)132
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Author Notes:the LHCb collaboration
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Summary:We report on a measurement of the Λ+c to D0 production ratio in peripheral PbPb collisions at √sNN = 5.02 TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The Λ+c (D0) hadrons are reconstructed via the decay channel Λ+c → pK−π+ (D0 → K−π+) for 2 < pT < 8 GeV/c and in the centrality range of about 65-90%. The results show no significant dependence on pT, y or the mean number of participating nucleons. They are also consistent with similar measurements obtained by the LHCb collaboration in pPb and Pbp collisions at √sNN = 5.02 TeV. The data agree well with predictions from PYTHIA in pp collisions at √s = 5 TeV but are in tension with predictions of the Statistical Hadronization model.
Item Description:Im Text ist "+" und "0" hochgestellt, "c" tiefgestellt
Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
The LHCb collaboration: R. Aaij, S. Bachmann, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, B. Leverington, J. Marks, D.J. Unverzagt, U. Uwer, L. Witola, A. Zhelezov [und viele weitere]
Gesehen am 27.10.2023
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP06(2023)132

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