The production of prompt baryons is measured via the exclusive decay channel at a center-of-mass energy per nucleon pair of 5.02 TeV, using proton-proton (pp) and lead-lead (PbPb) collision data collected by the CMS experiment at the CERN LHC. The pp and PbPb data were obtained in 2017 and 2018 with integrated luminosities of 252 and 0.607 nb−1, respectively. The measurements are performed within the rapidity interval |y| < 1 with transverse momentum (pT) ranges of 3–30 and 6–40 GeV/c for pp and PbPb collisions, respectively. Compared to the yields in pp collisions scaled by the expected number of nucleon-nucleon interactions, the observed yields of with pT > 10 GeV/c are strongly suppressed in PbPb collisions. The level of suppression depends significantly on the collision centrality. The /D0 production ratio is similar in PbPb and pp collisions at pT > 10 GeV/c, suggesting that the coalescence process does not play a dominant role in prompt baryon production at higher pT.

Tumasyan, A., Adam, W., Andrejkovic, J., Bergauer, T., Chatterjee, S., Damanakis, K., et al. (2024). Study of charm hadronization with prompt baryons in proton-proton and lead-lead collisions at = 5.02 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2024 [10.1007/JHEP01(2024)128].

Study of charm hadronization with prompt baryons in proton-proton and lead-lead collisions at = 5.02 TeV

Benaglia, A.;Boldrini, G.;Brivio, F.;Cetorelli, F.;De Guio, F.;Dinardo, M. E.;Ghezzi, A.;Govoni, P.;Guzzi, L.;Lucchini, M. T.;Malberti, M.;Massironi, A.;Moroni, L.;Paganoni, M.;Pinolini, B. S.;Ragazzi, S.;Tabarelli de Fatis, T.;Zuolo, D.;Ortona, G.;Gerosa, R.;
2024

Abstract

The production of prompt baryons is measured via the exclusive decay channel at a center-of-mass energy per nucleon pair of 5.02 TeV, using proton-proton (pp) and lead-lead (PbPb) collision data collected by the CMS experiment at the CERN LHC. The pp and PbPb data were obtained in 2017 and 2018 with integrated luminosities of 252 and 0.607 nb−1, respectively. The measurements are performed within the rapidity interval |y| < 1 with transverse momentum (pT) ranges of 3–30 and 6–40 GeV/c for pp and PbPb collisions, respectively. Compared to the yields in pp collisions scaled by the expected number of nucleon-nucleon interactions, the observed yields of with pT > 10 GeV/c are strongly suppressed in PbPb collisions. The level of suppression depends significantly on the collision centrality. The /D0 production ratio is similar in PbPb and pp collisions at pT > 10 GeV/c, suggesting that the coalescence process does not play a dominant role in prompt baryon production at higher pT.
Articolo in rivista - Articolo scientifico
Heavy Ion Experiments; Heavy Quark Production; Relativistic Heavy Ion Physics
English
23-gen-2024
2024
2024
128
none
Tumasyan, A., Adam, W., Andrejkovic, J., Bergauer, T., Chatterjee, S., Damanakis, K., et al. (2024). Study of charm hadronization with prompt baryons in proton-proton and lead-lead collisions at = 5.02 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2024 [10.1007/JHEP01(2024)128].
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/474421
Citazioni
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
Social impact