Population of isomers in decay of the giant dipole resonance

N. Tsoneva, Ch. Stoyanov, Yu. P. Gangrsky +3

The value of an isomeric ratio (IR) in N=81 isotones (${}^{137}$Ba, ${}^{139}$Ce, ${}^{141}$Nd and ${}^{143}$Sm) is studied by means of the ($\gamma ,n)$ reaction. This quantity measures a prob…