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Three-Pion Hanbury Brown-Twiss Correlations in Relativistic Heavy-Ion Collisions from the STAR Experiment

Adams, J; Adler, C; Ahammed, Z; Allgower, C; Amonett, J; Anderson, BD; Anderson, M; ... Zubarev, AN; + view all (2003) Three-Pion Hanbury Brown-Twiss Correlations in Relativistic Heavy-Ion Collisions from the STAR Experiment. Physical Review Letters , 91 (26 I) 2623011 - 2623016. 10.1103/PhysRevLett.91.262301. Green open access

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Abstract

Data from the first physics run at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory, Au+Au collisions at √sNN=130   GeV, have been analyzed by the STAR Collaboration using three-pion correlations with charged pions to study whether pions are emitted independently at freeze-out. We have made a high-statistics measurement of the three-pion correlation function and calculated the normalized three-particle correlator to obtain a quantitative measurement of the degree of chaoticity of the pion source. It is found that the degree of chaoticity seems to increase with increasing particle multiplicity.

Type: Article
Title: Three-Pion Hanbury Brown-Twiss Correlations in Relativistic Heavy-Ion Collisions from the STAR Experiment
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.91.262301
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.91.262301
Language: English
Additional information: © 2003 The American Physical Society
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/1338254
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