Possibility to disentangle anisotropic flow, flow fluctuation, and   nonflow assuming Gaussian fluctuations
  We suggest the possibility to disentangle anisotropic flow, flow fluctuation, and nonflow using two-, four-, and six-particle azimuthal moments assuming Gaussian fluctuations. We show that such disentanglement is possible when the flow fluctuations are large, comparable to the average flow magnitude. When fluctuations are small, the disentanglement becomes difficult. We verify our results with a toy-model Monte Carlo simulation. 
Li Yi, Fuqiang Wang, and Aihong Tang
nucl-ex nucl-th