prikaz prve stranice dokumenta Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV
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Scientific paper - Original scientific paper
Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV
Physical Review C - Nuclear Physics, 91 (2015), 6; 064905. https://doi.org/10.1103/PhysRevC.91.064905
(ALICE Collaboration) Adam, J.; ...; Antičić, Tome; ...; Gotovac, Sven; ...; Grossiord, J. Y.; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Simatović, Goran; ...; Utrobičić, Antonija; ...; Vicković, Linda; ...; Zyzak, M. More authors...

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Adam, J., Antičić, T., Gotovac, S., Grossiord, J. Y., Mudnić, E., Planinić, M. ... Zyzak, M. (2015). Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV. Physical Review C - Nuclear Physics, 91. (6). doi: 10.1103/PhysRevC.91.064905

Adam, J., et al. "Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV." Physical Review C - Nuclear Physics, vol. 91, no. 6, 2015. https://doi.org/10.1103/PhysRevC.91.064905

Adam, J., Tome Antičić, Sven Gotovac, J. Y. Grossiord, Eugen Mudnić, Mirko Planinić, Nikola Poljak, et al. "Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV." Physical Review C - Nuclear Physics 91, no. 6 (2015). https://doi.org/10.1103/PhysRevC.91.064905

Adam, J., et al. (2015) 'Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV', Physical Review C - Nuclear Physics, 91(6). doi: 10.1103/PhysRevC.91.064905

Adam J, Antičić T, Gotovac S, Grossiord JY, Mudnić E, Planinić M, and sur.. Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV. Physical Review C - Nuclear Physics [Internet]. 2015 [cited 2024 December 29];91(6). doi: 10.1103/PhysRevC.91.064905

J. Adam, et al., "Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV", Physical Review C - Nuclear Physics, vol. 91, no. 6, 2015. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:002922. [Accessed: 29 December 2024]

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Metadata
Title (english)Centrality dependence of particle production in p-Pb collisions at √sNN = 5.02 TeV
AuthorJ. Adam
Author
...
AuthorTome Antičić
Author
...
AuthorSven Gotovac
Author
...
AuthorJ. Y. Grossiord
Author
...
AuthorEugen Mudnić
Author
...
AuthorMirko Planinić
Author
...
AuthorNikola Poljak
Author
...
AuthorGoran Simatović
Author
...
AuthorAntonija Utrobičić
Author
...
AuthorLinda Vicković
Author
...
AuthorM. Zyzak
CollaborationALICE Collaboration
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
We report measurements of the primary charged-particle pseudorapidity density and transverse momentum distributions in p-Pb collisions at √sNN = 5.02 TeV and investigate their correlation with experimental observables sensitive to the centrality of the collision. Centrality classes are defined by using different event-activity estimators, i.e., charged-particle multiplicities measured in three different pseudorapidity regions as well as the energy measured at beam rapidity (zero degree). The procedures to determine the centrality, quantified by the number of participants (N_part) or the number of nucleon-nucleon binary collisions (N_coll) are described. We show that, in contrast to Pb-Pb collisions, in p-Pb collisions large multiplicity fluctuations together with the small range of participants available generate a dynamical bias in centrality classes based on particle multiplicity. We propose to use the zero-degree energy, which we expect not to introduce a dynamical bias, as an alternative event-centrality estimator. Based on zero-degree energy-centrality classes, the N_part dependence of particle production is studied. Under the assumption that the multiplicity measured in the Pb-going rapidity region scales with the number of Pb participants, an approximate independence of the multiplicity per participating nucleon measured at mid-rapidity of the number of participating nucleons is observed. Furthermore, at high-p_T the p-Pb spectra are found to be consistent with the pp spectra scaled by Ncoll for all centrality classes. Our results represent valuable input for the study of the event-activity dependence of hard probes in p-Pb collisions and, hence, help to establish baselines for the interpretation of the Pb-Pb data.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical Review C - Nuclear Physics
Numberingvol. 91, no. 6, 064905
p-ISSN0556-2813
e-ISSN1089-490X
DOIhttps://doi.org/10.1103/PhysRevC.91.064905
URN:NBNurn:nbn:hr:217:002922
Publication2015
Document URLhttp://link.aps.org/doi/10.1103/PhysRevC.91.064905
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteCopyright (2015) by the American Physical Society. Received 15 January 2015; published 8 June 2015.
Created on2020-01-18 16:18:15