Centrality dependence of high-pt hadron suppression in Au + Au collisions at √(sNN) = 130 GeV
Journal Article
·
· Physical Review Letters
Inclusive transverse momentum distributions of charged hadrons within 0.2T <6.0 GeV/c have been measured over a broad range of centrality for Au+Au collisions at √(sNN)=130 GeV. Hadron yields are suppressed at high pT in central collisions relative to peripheral collisions and to a nucleon-nucleon reference scaled for collision geometry. Peripheral collisions are not suppressed relative to the nucleon-nucleon reference. The suppression varies continuously at intermediate centralities. The results indicate significant nuclear medium effects on high-pT hadron production in heavy-ion collisions at high energy.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director, Office of Science. Office of High Energy and Nuclear Physics. Division of Nuclear Physics (US)
- Contributing Organization:
- STAR Collaboration
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 807429
- Report Number(s):
- LBNL-51717; PRLTAO; R&D Project: NRNC; B& R KB0201022; TRN: US0301831
- Journal Information:
- Physical Review Letters, Vol. 89, Issue 20; Other Information: Journal Publication Date: NOV 18, 2002; PBD: 18 Jun 2002; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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Centrality and pseudorapidity dependence of charged hadron production at intermediate p{sub t} in Au+Au collisions at {radical}s{sub NN} = 130 GeV
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