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Advances in High Energy Physics
Volume 2014, Article ID 315932, 5 pages
Research Article

On Particle Production in Lead-Gold Collision and Azimuthal Anisotropy at Top SPS Energy

Department of Physics, Shanxi University, Taiyuan, Shanxi 030006, China

Received 25 March 2014; Accepted 26 April 2014; Published 18 May 2014

Academic Editor: Chen Wu

Copyright © 2014 Bao-Chun Li and Zhao Zhang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


In a multisource thermal model, we analyze the dependence of elliptic flow on the transverse momentum . The model results are compared with the data of , , , and measured in Pb + Au collisions at top SPS energy, 17.3 GeV. It is found that the azimuthal anisotropy in the evolution process of high-energy collisions is correlated highly to the number of participant nucleons.