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

Collaboration
Jan, 2013
11 pages
Published in:
  • Phys.Rev.C 88 (2013) 1, 014904
  • Published: Jul 15, 2013
e-Print:
Report number:
  • LBNL (2013),
  • LBNL-(2013)
Experiments:

Citations per year

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Abstract: (APS)
We report measurements of the third harmonic coefficient of the azimuthal anisotropy, v3, known as triangular flow. The analysis is for charged particles in Au+Au collisions at sNN=200 GeV, based on data from the STAR experiment at the BNL 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.
Note:
  • 12 pages, 12 figures
  • 25.75.Ld
  • heavy ion: scattering
  • gold
  • rapidity: gap
  • correlation: two-particle
  • charged particle: particle flow
  • angular distribution: anisotropy
  • expansion: harmonic
  • STAR
  • transverse momentum dependence