Second T = 3/2 state in ${}^9$B and the isobaric multiplet mass equation

N. J. Mukwevho, B. M. Rebeiro, D. J. Marín-Lámbarri +17

Recent high-precision mass measurements and shell model calculations~[Phys. Rev. Lett. {\bf 108}, 212501 (2012)] have challenged a longstanding explanation for the requirement of a…