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Peter Christiansen Profile

Peter Christiansen

Professor

Peter Christiansen Profile

System size and beam energy dependence of azimuthal anisotropy from PHENIX

Author

  • M. Issah
  • Peter Christiansen
  • Hans-Åke Gustafsson
  • Eva Haslum
  • Anders Oskarsson
  • Sarah Rosendahl
  • Evert Stenlund

Summary, in English

We present azimuthal anisotropy measurements in Au+Au and Cu+Cu collisions at and 200 GeV. Comparison between reaction plane and cumulant v2 measurements in Au+Au collisions at GeV shows that non-flow contributions, originating mainly from jets, influence the extracted v2 for pT 3.5 GeV/c. Number of constituent quark (NCQ) scaling of v2, when studied as a function of transverse kinetic energy KET, is seen to hold for Au+Au collisions at and 200 GeV and for Cu+Cu collisions at GeV for KET 1 GeV. Differential hexadecupole flow v4 seems to exhibit scaling with integral v2 for centrality ≤40% as has been observed for differential v2.

Department/s

  • Particle and nuclear physics

Publishing year

2008

Language

English

Publication/Series

Journal of Physics G: Nuclear and Particle Physics

Volume

35

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0954-3899