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Article
Suppression Pattern of Neutral Pions at High Transverse Momentum in Au plus Au Collisions at root S-NN=200 GeV and Constraints on Medium Transport Coefficients
Physical Review Letters
Document Type
Article
Publication Version
Published Version
Publication Date
12-1-2008
DOI
10.1103/PhysRevLett.101.232301
Abstract
For Au + Au collisions at 200 GeV, we measure neutral pion production with good statistics for transverse momentum, p(T), up to 20 GeV/c. A fivefold suppression is found, which is essentially constant for 5 < p(T) < 20 GeV/c. Experimental uncertainties are small enough to constrain any model-dependent parametrization for the transport coefficient of the medium, e. g., <(q) over cap > in the parton quenching model. The spectral shape is similar for all collision classes, and the suppression does not saturate in Au + Au collisions.
Copyright Owner
American Physical Society
Copyright Date
2008
Language
en
File Format
application/pdf
Citation Information
Andrew Adare, Sergey Belikov, Paul Constantin, Nathan C. Grau, et al.. "Suppression Pattern of Neutral Pions at High Transverse Momentum in Au plus Au Collisions at root S-NN=200 GeV and Constraints on Medium Transport Coefficients" Physical Review Letters Vol. 101 Iss. 23 (2008) p. 232301 Available at: http://works.bepress.com/craig-ogilvie/218/
This article is published as Adare, A., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander et al. "Suppression Pattern of Neutral Pions at High Transverse Momentum in Au+ Au Collisions at s N N= 200 GeV and Constraints on Medium Transport Coefficients." Physical review letters 101, no. 23 (2008): 232301. DOI:10.1103/PhysRevLett.101.232301. Posted with permission.