Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/63603

TitleCharged-hadron suppression in Pb plus Pb and Xe plus Xe collisions measured with the ATLAS detector
Author(s)Onofre, A.
Castro, Nuno Filipe
ATLAS Collaboration
Keywordsxenon-xenon collisions
lead-lead collisions
charged-hadron production
nuclear modification factor
Issue date2019
PublisherElsevier
JournalNuclear Physics A
CitationBalek, P., Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., . . . Collaboration, A. (2019). Charged-hadron suppression in Pb plus Pb and Xe plus Xe collisions measured with the ATLAS detector. Nuclear Physics A, 982, 571-574. doi: 10.1016/j.nuclphysa.2018.10.079
Abstract(s)The ATLAS detector at the LHC recorded 0.49 nb−1 of Pb+Pb collisions and 25 pb−1 of pp collisions, both at the center-of-mass energy 5.02 TeV per nucleon pair. Recently, ATLAS also recorded 3μb−1 of Xe+Xe collisions at the center-of-mass energy 5.44 TeV, which provides a new opportunity to study the system-size dependence of the charged-hadron production in heavy-ion collisions. The large acceptance of the ATLAS detector allows to measure the spectra of charged hadrons in a wide range of pseudorapidity and transverse momentum. The nuclear modification factors RAA are constructed as a ratio of the spectra measured in Pb+Pb or Xe+Xe collisions to that measured in pp collisions. The RAA obtained in the two systems are presented for different centrality intervals and the results are discussed.
TypeArticle
URIhttp://hdl.handle.net/1822/63603
DOI10.1016/j.nuclphysa.2018.10.079
ISSN0375-9474
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S0375947418303609
Peer-Reviewedyes
AccessOpen access
Appears in Collections:LIP - Artigos/papers

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