Observation of an ultra-low $Q$-value electron-capture channel decaying to ${}^{75}$As via high-precision mass measurement

M. Ramalho, Z. Ge, T. Eronen +10

A precise determination of the atomic mass of ${}^{75}$As has been performed utilizing the double Penning trap mass spectrometer, JYFLTRAP. The mass excess is measured to be -73035.5…