Effect of tensor force on lowering of 5/2${}^{-}$ level in heavier Cu isotopes

Kanhaiya Jha, P. K. Raina

The inversion of 3/2${}^{-}$ and 5/2${}^{-}$ levels in heavier Cu isotopes is one of the most visible example of shell-evolution, caused by the strong monopole attraction between the n…