Statistical properties of non-flow correlations in pp and heavy-ion collisions at RHIC energies
This study analyzes the statistical properties of two-particle cumulants in pp, d-Au, and Au-Au collisions at RHIC energies, revealing that non-flow correlations consistently produce skewed distributions with increasing skewness and kurtosis in non-QGP models, whereas the HYDJET++ model yields a Gaussian distribution that diminishes to zero at larger pseudorapidity separations.