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Direct photon elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV

Acharya, S.
•
Acosta, F. T.
•
Adamová, D.
altro
Zou, S.
2019
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at √sNN = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the e+e− pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct-photon elliptic flow was extracted in the transverse momentum range 0.9 < pT < 6.2 GeV/c. A comparison to RHIC data shows a similar magnitude of the measured direct- photon elliptic flow. Hydrodynamic and transport model calculations are systematically lower than the data, but are found to be compatible.
DOI
10.1016/j.physletb.2018.11.039
WOS
WOS:000457165400042
Archivio
http://hdl.handle.net/11368/2936510
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85059189536
https://www.sciencedirect.com/science/article/pii/S0370269318308815
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2936510/1/PLB_789(2019)308-322.pdf
Soggetti
  • Nuclear and High Ener...

Scopus© citazioni
22
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
30
Data di acquisizione
Mar 27, 2024
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