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Isolation of flow and nonflow correlations by two- and four-particle cumulant measurements of azimuthal harmonics in sNN=200GeV Au+Au collisions

Abdelwahab, N. M.
•
Adamczyk, L.
•
Adkins, J. K.
altro
Zyzak, M.
2015
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
A data-driven method was applied to Au+Au collisions at made with the STAR detector at RHIC to isolate pseudorapidity distance Δη-dependent and Δη-independent correlations by using two- and four-particle azimuthal cumulant measurements. We identified a Δη-independent component of the correlation, which is dominated by anisotropic flow and flow fluctuations. It was also found to be independent of η within the measured range of pseudorapidity . In 20–30% central Au+Au collisions, the relative flow fluctuation was found to be for particles with transverse momentum less than . The Δη-dependent part, attributed to nonflow correlations, is found to be relative to the flow of the measured second harmonic cumulant at .
DOI
10.1016/j.physletb.2015.04.033
WOS
WOS:000353892300005
Archivio
http://hdl.handle.net/11368/2942064
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84928320877
https://www.sciencedirect.com/science/article/pii/S0370269315002762?via%3Dihub
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by-nc-nd/4.0/
FVG url
https://arts.units.it/bitstream/11368/2942064/1/1-s2.0-S0370269315002762-main_isolation.pdf
Soggetti
  • Flow

  • Heavy-ion

  • Nonflow

  • Nuclear and High Ener...

Web of Science© citazioni
12
Data di acquisizione
Mar 25, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
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