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Azimuthal anisotropy at RHIC: the first and fourth harmonics

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arxiv nucl-ex/0310029 v2 pith:KHHZZLVT submitted 2003-10-28 nucl-ex

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keywords firstrhicazimuthalflowfourthharmonicharmonicsadvantage
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We report the first observations of the first harmonic (directed flow, v_1), and the fourth harmonic (v_4), in the azimuthal distribution of particles with respect to the reaction plane in Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC). Both measurements were done taking advantage of the large elliptic flow (v_2) generated at RHIC. From the correlation of v_2 with v_1 it is determined that v_2 is positive, or {\it in-plane}. The integrated v_4 is about a factor of 10 smaller than v_2. For the sixth (v_6) and eighth (v_8) harmonics upper limits on the magnitudes are reported.

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Cited by 2 Pith papers

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

  1. Rapidity-even Dipolar Flow in Relativistic Heavy-Ion Collisions

    nucl-th 2026-07 conditional novelty 5.0 of 10

    GMC-suppressed rapidity-even dipolar flow correlations in AMPT and HIJING at 200 GeV show sensitivity to partonic transport and initial-state eccentricity correlations.

  2. Impact of particle production mechanisms on pseudorapidity distribution and directed flow in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 19.6 GeV using AMPT model

    nucl-th 2025-06 conditional novelty 4.0 of 10

    String fragmentation parameters in the AMPT model change proton directed flow and its system-size dependence at 19.6 GeV, while leaving pions nearly unaffected.

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