The parametrization of total muon capture rates in terms of a mean nuclear excitation energy ${\overline{E}}^{\prime }$, recently proposed by Christillin, Dellafiore, and Rosa-Clot, is reexamined in view of recent criticisms. The previously obtained results are reconfirmed.

NUCLEAR REACTIONS ${\mu }^{-}+A(N, Z)\to \nu +A(N+1, Z-1)$; muon capture; closure approximation; mean nuclear excitation energies.

• Received 9 May 1974

DOI:https://doi.org/10.1103/PhysRevC.12.691