Relativistic evaluation of the two-photon decay of the metastable 1s22s2p 3P0 state in berylliumlike ions with an effective-potential model,
Amaro, Pedro, Fratini Filippo, Safari Laleh, Machado Jorge, Guerra Mauro, Indelicato Paul, and Santos Jose Paulo
, Physical Review A, Mar 07, Volume 93, Number 3, p.032502-8, (2016)
Abstract