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Article
Measurement of nonrandom event-by-event fluctuations of average transverse momentum in root S-NN=200 GeV Au+Au and p+p collisions
Physical Review Letters
Document Type
Article
Disciplines
Publication Version
Published Version
Publication Date
8-1-2004
DOI
10.1103/PhysRevLett.93.092301
Abstract
Event-by-event fluctuations of the average transverse momentum of produced particles near midrapidity have been measured by the PHENIX Collaboration in roots(NN)=200 GeV Au+Au, and p+p collisions at the Relativistic Heavy Ion Collider. The fluctuations are observed to be in excess of the expectation for statistically independent particle emission for all centralities. The excess fluctuations exhibit a dependence on both the centrality of the collision and on the p(T) range over which the average is calculated. Both the centrality and p(T) dependence can be well reproduced by a simulation of random particle production with the addition of contributions from hard-scattering processes.
Copyright Owner
American Physical Society
Copyright Date
2004
Language
en
File Format
application/pdf
Citation Information
S. S. Adler, Sergey Belikov, S. Bhagavatula, Paul Constantin, et al.. "Measurement of nonrandom event-by-event fluctuations of average transverse momentum in root S-NN=200 GeV Au+Au and p+p collisions" Physical Review Letters Vol. 93 Iss. 9 (2004) p. 092301 Available at: http://works.bepress.com/craig-ogilvie/185/
This article is published as Adler, Stephen Scott, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, R. Amirikas et al. "Measurement of Nonrandom Event-by-Event Fluctuations of Average Transverse Momentum in s N N= 200 G e V A u+ A u and p+ p Collisions." Physical review letters 93, no. 9 (2004): 092301. DOI: 10.1103/PhysRevLett.93.092301. Posted with permission.