dc.date.accessioned | 2024-01-02T06:01:45Z | |
dc.date.available | 2024-01-02T06:01:45Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | Journal of High Energy Physics. 2023 Dec 13;2023(12):86 | |
dc.identifier.uri | http://hdl.handle.net/10852/106576 | |
dc.description.abstract | Measurements of the production cross sections of prompt D0, D+, D∗+, D+s , Λ+c , and Ξ+c charm hadrons at midrapidity in proton-proton collisions at √ s = 13TeV with the ALICE detector are presented. The D-meson cross sections as a function of transverse momentum (pT) are provided with improved precision and granularity. The ratios of pT-differential meson production cross sections based on this publication and on measurements at different rapidity and collision energy provide a constraint on gluon parton distribution functions at low values of Bjorken-x (10−5–10−4). The measurements of Λ+c (Ξ+c ) baryon production extend the measured pT intervals down to pT = 0(3) GeV/c. These measurements are used to determine the charm-quark fragmentation fractions and the cc production cross section at midrapidity (|y| < 0.5) based on the sum of the cross sections of the weakly-decaying ground-state charm hadrons D0, D+, D+s , Λ+c , Ξ0c and, for the first time, Ξ+c , and of the strongly-decaying J/ψ mesons. The first measurements of Ξ+c and Σ0,++ c fragmentation fractions at midrapidity are also reported. A significantly larger fraction of charm quarks hadronising to baryons is found compared to e+e− and ep collisions. The cc production cross section at midrapidity is found to be at the upper bound of state-of-the-art perturbative QCD calculations. | |
dc.language.iso | eng | |
dc.rights | The Author(s) | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
dc.title | Charm production and fragmentation fractions at
midrapidity in pp collisions at √s = 13 TeV | |
dc.type | Journal article | |
dc.date.updated | 2024-01-02T06:01:46Z | |
dc.creator.author | Adamová, D. | |
dc.creator.author | Aglieri Rinella, G. | |
dc.creator.author | Agnello, M. | |
dc.creator.author | Agrawal, N. | |
dc.creator.author | Ahammed, Z. | |
dc.creator.author | Ahmad, S. | |
dc.creator.author | Ahn, S. U. | |
dc.creator.author | Ahuja, I. | |
dc.creator.author | Akindinov, A. | |
dc.creator.author | Al-Turany, M. | |
dc.creator.author | Aleksandrov, D. | |
dc.creator.author | Alessandro, B. | |
dc.creator.author | Alfanda, H. M. | |
dc.creator.author | Alfaro Molina, R. | |
dc.creator.author | Ali, B. | |
dc.creator.author | Alici, A. | |
dc.creator.author | Alizadehvandchali, N. | |
dc.creator.author | Alkin, A. | |
dc.creator.author | Alme, Johan | |
dc.creator.author | Alocco, G. | |
dc.creator.author | Alt, T. | |
dc.creator.author | Altamura, A. R. | |
dc.creator.author | Altsybeev, I. | |
dc.creator.author | Anaam, M. N. | |
dc.creator.author | Andrei, C. | |
dc.creator.author | Andreou, N. | |
dc.creator.author | Andronic, A. | |
dc.creator.author | Anguelov, V. | |
dc.creator.author | Antinori, F. | |
dc.creator.author | Antonioli, P. | |
dc.creator.author | Apadula, N. | |
dc.creator.author | Aphecetche, L. | |
dc.creator.author | Appelshäuser, H. | |
dc.creator.author | Arata, C. | |
dc.creator.author | Arcelli, S. | |
dc.creator.author | Aresti, M. | |
dc.creator.author | Arnaldi, R. | |
dc.creator.author | Arneiro, J. G. M. C. A. | |
dc.creator.author | Arsene, Ionut Cristian | |
dc.creator.author | Bodova, Tea | |
dc.creator.author | Bylinkin, Aleksandr | |
dc.creator.author | Djuvsland, Øystein | |
dc.creator.author | Helstrup, Håvard | |
dc.creator.author | Hetland, Kristin Fanebust | |
dc.creator.author | Kileng, Bjarte | |
dc.creator.author | Langøy, Runex | |
dc.creator.author | Lien, Jørgen André | |
dc.creator.author | Lofnes, Ingrid Mckibben | |
dc.creator.author | Malik, Qasim Waheed | |
dc.creator.author | Neagu, Alexandra | |
dc.creator.author | Nese, Sigurd | |
dc.creator.author | Nystrand, Joakim Ingemar | |
dc.creator.author | Rauch, Max Philip | |
dc.creator.author | Rehman, Attiq Ur | |
dc.creator.author | Reme-Ness, Haakon André | |
dc.creator.author | Richter, Matthias | |
dc.creator.author | Røed, Ketil | |
dc.creator.author | Röhrich, Dieter | |
dc.creator.author | Skaali, Toralf Bernhard | |
dc.creator.author | Sætre, Jon-Are | |
dc.creator.author | Skaali, Toralf Bernhard | |
dc.creator.author | Solheim, Emilie Haugland | |
dc.creator.author | Storehaug, Ida Torkjellsdatter | |
dc.creator.author | Tveter, Trine Spedstad | |
dc.creator.author | Ullaland, Kjetil | |
dc.creator.author | Wikne, Jon Christopher | |
dc.creator.author | Yang, Shiming | |
dc.creator.author | Yuan, Shiming | |
dc.creator.author | ALICE, Collaboration | |
dc.identifier.doi | https://doi.org/10.1007/JHEP12(2023)086 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.type.version | PublishedVersion | |
cristin.articleid | 86 | |