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Evidence from d+Au measurements for final-state suppression of high-p(T) hadrons in Au plus Au collisions at RHIC

Adams, J; Adler, C; Aggarwal, MM; Ahammed, Z; Amonett, J; Anderson, BD; Anderson, M; ... STAR Collaboration, .; + view all (2003) Evidence from d+Au measurements for final-state suppression of high-p(T) hadrons in Au plus Au collisions at RHIC. PHYS REV LETT , 91 (7) , Article 073204. 10.1103/PhysRevLett.91.072304. Green open access

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Abstract

We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p(T)) in minimum bias and central d+Au collisions at roots(NN)=200 GeV. The inclusive yield is enhanced in d+Au collisions relative to binary-scaled p+p collisions, while the two-particle azimuthal distributions are very similar to those observed in p+p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p(T) previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions.

Type: Article
Title: Evidence from d+Au measurements for final-state suppression of high-p(T) hadrons in Au plus Au collisions at RHIC
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.91.072304
Publisher version: tp://dx.doi.org/10.1103/PhysRevLett.91.072304
Language: English
Additional information: © 2003 The American Physical Society
Keywords: NUCLEAR COLLISIONS, PERTURBATIVE QCD, ENERGY-LOSS, DISTRIBUTIONS
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1324898
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