Broken mirror symmetry in ${}^{36}$S and ${}^{36}$Ca

J. J. Valiente-Dobón, A. Poves, A. Gadea +1

Shape coexistence is an ubiquitous phenomenon in the neutron-rich nuclei belonging to (or sitting at the shores of) the $N=20$ Island of Inversion (IoI). Exact isospin symmetry pre…