Abstract
Excited states in the $N=Z\ensuremath{-}2$ nucleus ${}^{44}$V have been observed for the first time. The states have been identified through particle-$\ensuremath{\gamma}$-$\ensuremath{\gamma}$ coincidence relationships and comparison with analog states in the mirror nucleus ${}^{44}$Sc. Mirror energy differences have been extracted and compared to state-of-the-art shell-model calculations which include charge-symmetry-breaking forces. Observed decay pattern asymmetries between the mirror pair are discussed in terms of core excitations, electromagnetic spin-orbit effects and isospin mixing.
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