We report on a measurement of the Lambda(+)(c) to D-0 production ratio in peripheral PbPb collisions at root sNN = 5.02TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The Lambda(+)(c) (D-0) hadrons are reconstructed via the decay channel Lambda(+)(c) -> pK(-)pi(+) (D-0 -> K- pi(+)) 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 root sNN = 5.02TeV. The data agree well with predictions from PYTHIA in pp collisions at root s = 5TeV but are in tension with predictions of the Statistical Hadronization model.

Aaij, R., Abdelmotteleb, A., Beteta, C.a., Abudinen, F., Ackernley, T., Adeva, B., et al. (2023). Measurement of the Λc+ to D0 production ratio in periphera PbPb collisions at √sNN=5.02 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2023(6) [10.1007/JHEP06(2023)132].

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

Archilli, F.;Santovetti, E.;
2023-06-22

Abstract

We report on a measurement of the Lambda(+)(c) to D-0 production ratio in peripheral PbPb collisions at root sNN = 5.02TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The Lambda(+)(c) (D-0) hadrons are reconstructed via the decay channel Lambda(+)(c) -> pK(-)pi(+) (D-0 -> K- pi(+)) 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 root sNN = 5.02TeV. The data agree well with predictions from PYTHIA in pp collisions at root s = 5TeV but are in tension with predictions of the Statistical Hadronization model.
22-giu-2023
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/01
English
Con Impact Factor ISI
Charm Physics
Heavy Ion Experiments
Heavy Quark Production
Relativistic Heavy Ion Physics
MATRIX-ELEMENT
HELAC-ONIA
HEAVY
GENERATOR
DECAY
TOOL
Aaij, R., Abdelmotteleb, A., Beteta, C.a., Abudinen, F., Ackernley, T., Adeva, B., et al. (2023). Measurement of the Λc+ to D0 production ratio in periphera PbPb collisions at √sNN=5.02 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2023(6) [10.1007/JHEP06(2023)132].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/353362
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