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Third Harmonic Flow of Charged Particles in Au+Au Collisions at sqrtsNN = 200 GeV

Abstract : We report measurements of the third harmonic coefficient of the azimuthal anisotropy, v_3, known as triangular flow. The analysis is for charged particles in Au+Au collisions at $\sqrtsNN = 200$ GeV, based on data from the STAR experiment at the Relativistic Heavy Ion Collider. Two-particle correlations as a function of their pseudorapidity separation are fit with narrow and wide Gaussians. Measurements of triangular flow are extracted from the wide Gaussian, from two-particle cumulants with a pseudorapidity gap, and also from event plane analysis methods with a large pseudorapidity gap between the particles and the event plane. These results are reported as a function of transverse momentum and centrality. A large dependence on the pseudorapidity gap is found. Results are compared with other experiments and model calculations.
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http://hal.in2p3.fr/in2p3-00807109
Contributor : Sylvie Flores <>
Submitted on : Wednesday, April 3, 2013 - 7:29:38 AM
Last modification on : Thursday, February 7, 2019 - 2:55:09 PM

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L. Adamczyk, W. Borowski, S. Kabana. Third Harmonic Flow of Charged Particles in Au+Au Collisions at sqrtsNN = 200 GeV. Physical Review C, American Physical Society, 2013, 88, pp.014904. ⟨10.1103/PhysRevC.88.014904⟩. ⟨in2p3-00807109⟩

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