Phys. Rev. Lett. 94, 122303 (2005) [4 pages]Energy Dependence of Elliptic Flow over a Large Pseudorapidity Range in Au+Au Collisions at the BNL Relativistic Heavy Ion ColliderReceived 19 June 2004; published 1 April 2005 This Letter describes the measurement of the energy dependence of elliptic flow for charged particles in Au+Au collisions using the PHOBOS detector at the Relativistic Heavy Ion Collider. Data taken at collision energies of √sNN=19.6, 62.4, 130, and 200 GeV are shown over a wide range in pseudorapidity. These results, when plotted as a function of η′=|η|-ybeam, scale with approximate linearity throughout η′, implying no sharp changes in the dynamics of particle production as a function of pseudorapidity or increasing beam energy. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.122303
DOI:
10.1103/PhysRevLett.94.122303
PACS:
25.75.Dw, 25.75.Ld, 25.75.–q
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