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David Silvermyr

David Silvermyr

Professor, Deputy Head of Division

David Silvermyr

Charged-particle multiplicity at mid-rapidity in Au-Au collisions at relativistic heavy-ion collider

Author

  • David Silvermyr
  • PHENIX Collaboration

Summary, in English

The particle density at mid-rapidity is an essential global variable for the characterization of nuclear collisions at ultra-relativistic energies. It provides information about the initial conditions and energy density reached in these collisions. The pseudorapidity densities of charged particles at mid-rapidity in Au+Au collisions at roots(NN) 130 and 200 GeV at RHIC (relativistic heavy ion collider) have been measured with the PHENIX detector. The measurements were performed using sets of wire-chambers with pad readout in the two central PHENIX tracking arms. Each arm covers one quarter of the azimuth in the pseudorapidity interval eta < 0.35. Data is presented and compared with results from proton-proton collisions and nucleus-nucleus collisions at lower energies. Extrapolations to LHC energies are discussed.

Department/s

  • Particle and nuclear physics

Publishing year

2003

Language

English

Pages

983-986

Publication/Series

Pramana

Volume

60

Issue

5

Document type

Journal article

Publisher

Springer

Topic

  • Subatomic Physics

Keywords

  • relativistic heavy-ion collisions
  • ultra-relativistic heavy-ion
  • PHENIX
  • multiplicity
  • collisions

Status

Published

ISBN/ISSN/Other

  • ISSN: 0973-7111