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Di-hadron and jet-hadron correlations are commonly used in relativistic heavyion collisions to study the soft component of jets in a quark gluon plasma.There is a large correlated background which is described by the Fourierdecomposition of the azimuthal anisotropy where $v_n$ is the $n$th ordercoefficient. The path length dependence of partonic energy loss can be studiedby varying the angle of the high momentum trigger particle or jet relative to areconstructed event plane. This modifies the shape of the background correlatedwith that event plane. The original derivation of the shape of this backgroundonly considered correlations relative to the second order event plane, which iscorrelated to the initial participant plane. We derive the shape of thisbackground for an event plane at an arbitrary order. There is a phase shift inthe case of jets restricted to asymmetric regions relative to the event plane.For realistic correlations between event planes, the correlation between thesecond and fourth order event planes leads to a much smaller effect than thefinite event plane resolution at each order. Finally, we assess the status ofthe rapidity even $v_1$ term due to flow, which has been measured to becomparable to $v_2$ and $v_3$ terms.

Event plane dependence of the flow modulated background in di-hadron and jet-hadron correlations in heavy ion collisions