Transverse momentum spectra and nuclear modification factors of charged particles in Xe-Xe collisions at √sNN=5.44 TeV

Transverse momentum (pT ) spectra of charged particles at mid-pseudorapidity in Xe-Xe collisions at sNN=5.44TeV measured with the ALICE apparatus at the Large Hadron Collider are reported. The kinematic range 0.15<pT<50GeV/c and |η|<0.8 is covered. Results are presented in nine classes of c...

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Main Authors: Acharya, Shreyasi (Author) , Angelov, Venelin (Author) , Arslandok, Mesut (Author) , Danisch, Meike (Author) , Deisting, Alexander (Author) , Feuillard, Victor (Author) , Glässel, Peter (Author) , Kim, Jiyoung (Author) , Köhler, Markus Konrad (Author) , Klewin, Sebastian (Author) , Leardini, Lucia (Author) , Mercado Pérez, Jorge (Author) , Ohlson, Alice (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Schmidt, Marten Ole (Author) , Stachel, Johanna (Author) , Weiser, Dennis (Author) , Windelband, Bernd (Author) , Kim, Minjung (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 2019
In: Physics letters
Year: 2019, Volume: 788, Pages: 166-179
ISSN:1873-2445
DOI:10.1016/j.physletb.2018.10.052
Online Access:Verlag, Volltext: https://doi.org/10.1016/j.physletb.2018.10.052
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269318308232
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Author Notes:ALICE Collaboration*
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Summary:Transverse momentum (pT ) spectra of charged particles at mid-pseudorapidity in Xe-Xe collisions at sNN=5.44TeV measured with the ALICE apparatus at the Large Hadron Collider are reported. The kinematic range 0.15<pT<50GeV/c and |η|<0.8 is covered. Results are presented in nine classes of collision centrality in the 0-80% range. For comparison, a pp reference at the collision energy of s=5.44 TeV is obtained by interpolating between existing pp measurements at s=5.02 and 7 TeV. The nuclear modification factors in central Xe-Xe collisions and Pb-Pb collisions at a similar center-of-mass energy of sNN=5.02 TeV, and in addition at 2.76 TeV, at analogous ranges of charged particle multiplicity density 〈dNch/dη〉 show a remarkable similarity at pT>10 GeV/c. The centrality dependence of the ratio of the average transverse momentum 〈pT〉 in Xe-Xe collisions over Pb-Pb collision at s=5.02 TeV is compared to hydrodynamical model calculations.
Item Description:Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
Available online 31 October 2018
*ALICE collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, V. Feuillard,P. Glässel, J. Kim, M.K. Köhler, S. Klewin, L. Leardini, J. Mercado Pérez, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, J. Stachel, D.F. Weiser, B. Windelband [und weitere]
Gesehen am 12.06.2019
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2018.10.052