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Article
Elliptic flow for phi mesons and (Anti)deuterons in Au+Au collisions at root s(NN)=200 GeV
Physical Review Letters
Document Type
Article
Disciplines
Publication Date
7-1-2007
DOI
10.1103/PhysRevLett.99.052301
Abstract
Differential elliptic flow (v(2)) for phi mesons and (anti)deuterons ((d) over bar )d is measured for Au + Au collisions at root s(NN) = 200 GeV. The v(2) for phi mesons follows the trend of lighter pi(+/-) and K-+/- mesons, suggesting that ordinary hadrons interacting with standard hadronic cross sections are not the primary driver for elliptic flow development. The v(2) values for ((d) over bar )d suggest that elliptic flow is additive for composite particles. This further validation of the universal scaling of v(2) per constituent quark for baryons and mesons suggests that partonic collectivity dominates the transverse expansion dynamics.
Copyright Owner
American Physical Society
Copyright Date
2007
Language
en
File Format
application/pdf
Citation Information
S. Afanasiev, Sergey Belikov, Paul Constantin, Nathan C. Grau, et al.. "Elliptic flow for phi mesons and (Anti)deuterons in Au+Au collisions at root s(NN)=200 GeV" Physical Review Letters Vol. 99 Iss. 5 (2007) p. 052301 Available at: http://works.bepress.com/craig-ogilvie/149/
This article is published as Afanasiev, S., C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, A. Al-Jamel, K. Aoki et al. "Elliptic Flow for ϕ Mesons and (Anti) deuterons in Au+ Au Collisions at s N N= 200 GeV." Physical review letters 99, no. 5 (2007): 052301. DOI:10.1103/PhysRevLett.99.052301. Posted with permission.