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Eccentricity fluctuations and elliptic flow at RHIC

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arxiv nucl-th/0607009 v2 pith:R2YSHDOI submitted 2006-07-07 nucl-th

Rajeev S. Bhalerao , Jean-Yves Ollitrault This is my paper · ORCID
classification nucl-th
keywords floweccentricityfluctuationseccentricitiesellipticaffectanalysisanalyzed
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abstract

Fluctuations in nucleon positions can affect the spatial eccentricity of the overlap zone in nucleus-nucleus collisions. We show that elliptic flow should be scaled by different eccentricities depending on which method is used for the flow analysis. These eccentricities are estimated semi-analytically. When $v_2$ is analyzed from 4-particle cumulants, or using the event plane from directed flow in a zero-degree calorimeter, the result is shown to be insensitive to eccentricity fluctuations.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Thermal and geometric normal modes of spectral fluctuations in heavy-ion collisions

    nucl-th 2026-04 unverdicted novelty 7.0 of 10

    Rotated PCA of simulated Pb+Pb spectra separates spectral fluctuations into a coherent thermal mode that fully explains v0(pT) and a double-node geometric mode that drives the low-pT sign change of v02(pT).

  2. Scaling approach to rigid and soft nuclear deformation through flow fluctuations in high-energy nuclear collisions

    nucl-th 2025-09 conditional novelty 5.0 of 10

    Triangular flow four-particle cumulants scale linearly with the fourth moment of octupole deformation, allowing the mean and variance of 238U octupole deformation to be extracted separately.

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