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Isolation of flow and nonflow correlations by two- and four-particle cumulant measurements of azimuthal harmonics in sNN=200 GeV Au+Au collisions
- Source :
- Physics Letters B, Vol 745, Iss , Pp 40-47 (2015)
- Publication Year :
- 2015
- Publisher :
- Elsevier, 2015.
-
Abstract
- A data-driven method was applied to Au+Au collisions at sNN=200 GeV 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 |η|0.7. Keywords: Heavy-ion, Flow, Nonflow
Details
- Language :
- English
- ISSN :
- 03702693
- Volume :
- 745
- Issue :
- 40-47
- Database :
- Directory of Open Access Journals
- Journal :
- Physics Letters B
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.ffbc0d314bb84d9f8d739bb595e20b9d
- Document Type :
- article
- Full Text :
- https://doi.org/10.1016/j.physletb.2015.04.033