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Microscopic calculations show a strong parity dependence of the nuclear leveldensity at low excitation energy of a nucleus. Previously, this dependence haseither been neglected or only implemented in the initial and final channels ofHauser-Feshbach calculations. We present an indirect way to account for a fullparity dependence in all steps of a reaction, including the one of the compoundnucleus formed in a reaction. To illustrate the impact on astrophysicalreaction rates, we present rates for neutron captures in isotopic chains of Niand Sn. Comparing with the standard assumption of equipartition of bothparities, we find noticeable differences in the energy regime of astrophysicalinterest caused by the parity dependence of the nuclear level density found inthe compound nucleus even at sizeable excitation energies.

Complete inclusion of parity-dependent level densities in the statistical description of astrophysical reaction rates