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Cited by 693

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Hadron production in nuclear collisions at RHIC and high-density QCD

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Kharzeev, Dmitri, Nardi, Marzia·2001·Physics Letters B

Abstract

Abstract We analyze the first results on charged particle multiplicity at RHIC in the conventional eikonal approach and in the framework of high-density QCD. We extract the fraction F of the hadron multiplicity originating from “hard” (i.e., proportional to the number of binary collisions) processes; we find a strong growth of this fraction with energy: F( s =56 GeV )≃22% , while F( s =130 GeV )≃37% . This indicates a rapid increase in the density of the produced particles. We outline the predictions of high-density QCD for the centrality, energy, and atomic number dependence of hadron production. Surprisingly, the predictions of the conventional eikonal approach and of high-density QCD for centrality dependence of hadron multiplicity at s =130 GeV appear very similar.

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Metadata

Authors
Kharzeev, D., & Nardi, M.
Venue
Physics Letters B
Publisher
Elsevier BV
Published
2001-05
Volume
507
Issue
1-4
Pages
121-128
ISSN
0370-2693 (ISSN-L)
OpenAlex
W1975570065
Cited by
693
References
2
FWCI
30.27
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Hadron production in nuclear collisions at RHIC and high-density QCD. https://app.cochat.ai/papers/10.1016/s0370-2693(01)00457-9
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Kharzeev, D., & Nardi, M. (2001). Hadron production in nuclear collisions at RHIC and high-density QCD. Physics Letters B. https://doi.org/10.1016/s0370-2693(01)00457-9

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