Correlations among elliptic flow parameter, impact parameter, and multiplicity Dai-Mei Zhou, Yun Cheng, Yu-Liang Yan, Bao-Guo Dong, Ben-Hao Sa and Laszlo P. Csernai Eur. Phys. J. A, 45 3 (2010) 353-356 Published online: 30 July 2010 DOI: 10.1140/epja/i2010-11013-2