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arxiv: nucl-ex/0108016 · v2 · pith:OXU6EUTNnew · submitted 2001-08-14 · ⚛️ nucl-ex

Charged particle densities from Au+Au collisions at sqrt{s_(NN)}=130 GeV

classification ⚛️ nucl-ex
keywords particlechargeddensitiescentralcollisionseventsobservedpseudorapidity
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We present charged particle densities as a function of pseudorapidity and collision centrality for the 197Au+197Au reaction at sqrt{s_{NN}}=130 GeV. An integral charged particle multiplicity of 3860+/-300 is found for the 5% most central events within the pseudorapidity range -4.7 <= eta <= 4.7. At mid-rapidity an enhancement in the particle yields per participant nucleon pair is observed for central events. Near to the beam rapidity, a scaling of the particle yields consistent with the ``limiting fragmentation'' picture is observed. Our results are compared to other recent experimental and theoretical discussions of charged particle densities in ultra-relativistic heavy-ion collisions.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Centrality dependence of charged-hadron pseudorapidity distributions in oxygen-oxygen collisions at $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV

    nucl-ex 2026-06 accept novelty 8.0

    First measurement of dNch/dη in OO collisions at 5.36 TeV yields midrapidity densities of 41.8 overall and 135 in central events, consistent with PbPb per participant but showing deviations from simple scaling.