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Λc+ production in pp and in pp-Pb collisions at √sNN = 5.02 TeV

(ALICE Collaboration) Acharya, S.; Antičić, Tome; Erhardt, Filip; Gotovac, Sven; Jerčić, Marko; Karatović, David; Lončar, Petra; Mudnić, Eugen; Planinić, Mirko; Poljak, Nikola; Simatović, Goran; Vicković, Linda; Zurlo, N. (2021) Λc+ production in pp and in pp-Pb collisions at √sNN = 5.02 TeV. Physical review. C, 104 (5). ISSN 2469-9985

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The production cross section of prompt +c charm baryons was measured with the ALICE detector at the LHC at midrapidity in proton-proton (pp) and proton- lead (p–Pb) collisions at a center-of-mass energy per nucleon pair of √sNN = 5.02 TeV. The +c and −c baryons were reconstructed in the hadronic decay channels +c → pK−π+ and + c → pK0S and respective charge conjugates. The measured differential cross sections as a function of transverse momentum (pT ) and the pT -integrated +c production cross section in pp and in p–Pb collisions are presented. The +c nuclear modification factor (RpPb), calculated from the cross sections in pp and in p–Pb collisions, is presented and compared with the RpPb of D mesons. The +c/D0 ratio is also presented and compared with the light-flavor baryon-to-meson ratios p/π and /K0S, and measurements from other LHC experiments. The results are compared to predictions from model calculations and Monte Carlo event generators.

Item Type: Article
Uncontrolled Keywords: Lambda/c+: production ; pp: scattering ; p nucleus: scattering ; differential cross section: measured ; nucleon: pair ; CERN LHC Coll ; Monte Carlo ; transverse momentum ; charmed baryon ; hadronic decay ; ALICE ; experimental results ; Lambda/c+ --> p K- pi+ ; Lambda/c+ --> p K0(S) ; 5020 GeV-cms/nucleon ; differential cross section, measured ; Lambda/c+, production ; nucleon ; pair ; baryon ; TeV ; nucleus ; charm ; meson
Subjects: NATURAL SCIENCES > Physics
Divisions: Centre for detectors, sensors and electronics
Depositing User: Tome Antičić
Date Deposited: 16 May 2023 07:25
DOI: 10.1103/PhysRevC.104.054905

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