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Production of Λc + baryons in proton-proton and lead-lead collisions at sNN=5.02TeV

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2020
Physics-Letters-B_803_2020_135328.pdf (876.5Kb)
Authors
Sirunyan, A.M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Bergauer, T.
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milenović, Predrag
Milošević, Jovan
Stojanović, Milan
Contributors
CMS Collaboration
Article (Published version)
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© 2020, The Author(s)
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Abstract
The transverse momentum (pT) spectra of inclusively produced Λc + baryons are measured via the exclusive decay channel Λc +→pK−π+ using the CMS detector at the LHC. Spectra are measured as a function of transverse momentum in proton-proton (pp) and lead-lead (PbPb) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The measurement is performed within the Λc + rapidity interval |y|<1 in the pT range of 5–20GeV/c in pp and 10–20GeV/c in PbPb collisions. The observed yields of Λc + for pT of 10–20GeV/c suggest a suppression in central PbPb collisions compared to pp collisions scaled by the number of nucleon-nucleon (NN) interactions. The Λc +/D0 production ratio in pp collisions is compared to theoretical models. In PbPb collisions, this ratio is consistent with the result from pp collisions in their common pT range.
Source:
Physics Letters B, 2020, 803 C, 135328-
Note:
  • CMS Collaboration (ukupan broj autora: 2321)
  • HEPData Record: The CMS collaboration (2020). Production of Λ+c baryons in proton-proton and lead-lead collisions at sNN−−−√=5.02 TeV. HEPData. https://doi.org/10.17182/hepdata.88290

DOI: 10.1016/j.physletb.2020.135328

ISSN: 0370-2693

WoS: 000521730300049

Scopus: 2-s2.0-85080054268
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https://vinar.vin.bg.ac.rs/handle/123456789/8830
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