Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/120011
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Type: | Journal article |
Title: | Charged-hadron suppression in Pb plus Pb and Xe plus Xe collisions measured with the ATLAS detector |
Author: | Balek, P. Aaboud, M. Aad, G. Abbott, B. Abdinov, O. Abeloos, B. Abhayasinghe, D.K. Abidi, S.H. AbouZeid, O.S. Abraham, N.L. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B.S. Adachi, S. Adam, L. Adamczyk, L. Adelman, J. Adersberger, M. Adiguzel, A. et al. |
Citation: | Nuclear Physics A, 2019; 982:571-574 |
Publisher: | Elsevier |
Issue Date: | 2019 |
ISSN: | 0375-9474 1873-1554 |
Statement of Responsibility: | Petr Balek, M Aaboud, G. Aad, B. Abbott, G. Abdinov ... Paul D Jackson ... Abhishek Sharma ... et al. |
Abstract: | 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. |
Keywords: | Xenon–xenon collisions; lead–lead collisions; charged-hadron production; nuclear modification factor |
Rights: | © 2018 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
DOI: | 10.1016/j.nuclphysa.2018.10.079 |
Published version: | http://dx.doi.org/10.1016/j.nuclphysa.2018.10.079 |
Appears in Collections: | Aurora harvest 4 Physics publications |
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hdl_120011.pdf | Published version | 187.99 kB | Adobe PDF | View/Open |
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