Below I compare the priors used in the unfolding done here:

https://drupal.star.bnl.gov/STAR/blog/dmawxc/update-08192019-run-9-pp-unfolding-pi0-and-gamma-data-improved-errors

Note that the priors below have not been normalized to each other.  The Pythia8 spectrum used to fit the levy function and power laws has been included to guide the eye in the gamma case.