Centrality dependence of charged particle multiplicity in Au - Au collisions at S(NN)**(1/2) = 130-GeV - INSPIRE

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Centrality dependence of charged particle multiplicity in Au - Au collisions at S(NN)**(1/2) = 130-GeV

PHENIX

Collaboration

Dec, 2000

6 pages

Published in:

Phys.Rev.Lett. 86 (2001) 3500-3505

e-Print:

nucl-ex/0012008 [nucl-ex]

DOI:

10.1103/PhysRevLett.86.3500

Experiments:

BNL-RHIC-PHENIX

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Abstract:

We present results for the charged-particle multiplicity distribution at mid-rapidity in Au - Au collisions at sqrt(s_NN)=130 GeV measured with the PHENIX detector at RHIC. For the 5% most central collisions we find

dN_{ch}/d\eta_{|\eta=0} = 622 \pm 1 (stat) \pm 41 (syst)

. The results, analyzed as a function of centrality, show a steady rise of the particle density per participating nucleon with centrality.

Note:

307 authors, 43 institutions, 6 pages, 4 figures, 1 table Minor changes to figure labels and text to meet PRL requirements. One author added: M. Hibino of Waseda University Report-no: PPG001: PX No. 190: BNL-68068 Journal-ref: Phys.Rev.Lett. 86 (2001) 3500-3505

scattering: heavy ion
gold
multiple production
charged particle: multiplicity
dependence: impact parameter
PHENIX
experimental results
Brookhaven RHIC Coll
130 GeV-cms/nucleon

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