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

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Schmelling,  M.       
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Zavertyaev,  M.       
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

LHCb collaboration, Aaij, R., Abdelmotteleb, A. S. W., Abellan Beteta, C., Abudinén, F., Ackernley, T., et al. (2023). Measurement of the Λc+ to D0 production ratio in peripheral PbPb collisions at √sNN = 5.02 TeV. Journal of high energy physics: JHEP, 2023(6): 132. doi:10.1007/JHEP06(2023)132.


Cite as: https://hdl.handle.net/21.11116/0000-000D-B90C-6
Abstract
We report on a measurement of the Λc+ 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 Λc+ (D0) hadrons are reconstructed via the decay channel Λc+ → pKπ+ (D0 → Kπ+) 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.