Non-linear flow response and reaction plane correlations
  We apply the non-linear flow response formalism to the recently measured event plane correlations. We find that as a result of the combined effects of linear and non-linear flow response, the observed event plane correlations can be understood as an effective average of the 'linear limit' and 'non-linear limit'. 
Derek Teaney and Li Yan
nucl-th hep-ph nucl-ex