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 = 5.44 TeV measured with the ALICE apparatus at the Large Hadron Collider are reported. The kinematic range 0.15 < pT < 50 GeV/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.

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Eser Adı
(dc.title)
Transverse momentum spectra and nuclear modification factors of charged particles in Xe–Xe collisions at √sNN = 5.44 TeV
Özet
(dc.description.abstract)
Transverse momentum (pT) spectra of charged particles at mid-pseudorapidity in Xe–Xe collisions at √sNN = 5.44 TeV measured with the ALICE apparatus at the Large Hadron Collider are reported. The kinematic range 0.15 < pT < 50 GeV/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.
Yayın Tarihi
(dc.date.issued)
2018
Kayıt Giriş Tarihi
(dc.date.accessioned)
2019-07-08T09:24:04Z
Açık Erişim tarihi
(dc.date.available)
2019-07-08T09:24:04Z
Yayın Dili
(dc.language.iso)
eng
Konu Başlıkları
(dc.subject)
Ransverse Momentum Spectra and Nuclear Modification Factors
Konu Başlıkları
(dc.subject)
LHC
Konu Başlıkları
(dc.subject)
ALICE
Atıf için Künye
(dc.identifier.citation)
https://doi.org/10.1016/j.physletb.2018.10.052
Yayın Türü
(dc.type)
Makale
Yazar/lar
(dc.contributor.author)
KARASU UYSAL, Ayben
Yazar/lar
(dc.contributor.author)
ALICE Collaboration
Tek Biçim Adres
(dc.identifier.uri)
https://hdl.handle.net/20.500.12498/665
Atıf Dizini
(dc.source.database)
Wos
Atıf Dizini
(dc.source.database)
Scopus
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