Decorrelation of anisotropic flow along the longitudinal direction Long-Gang Pang, Hannah Petersen, Guang-You Qin, Victor Roy and Xin-Nian Wang Eur. Phys. J. A, 52 4 (2016) 97 Published online: 20 April 2016 DOI: 10.1140/epja/i2016-16097-x