Penning-trap mass spectrometry of highly charged, neutron-rich Rb and Sr isotopes in the vicinity of $A\approx 100$

V. V. Simon, T. Brunner, U. Chowdhury +12

The neutron-rich mass region around $A\approx 100$ presents challenges for modeling the astrophysical $r$-process because of rapid shape transitions. We report on mass measurements…