Fast-Neutron Excitation of Isomeric States in Indium

Activation techniques were employed in measurements of cross sections for excitation of the 99.4-min isomeric state at 0.392 MeV in ¹¹³In and the 4.5-h isomeric state at 0.335 MeV in ¹¹⁵In from near threshold to ∼10 MeV. Effective cross sections for these processes in standard fission neutron spectra were also computed from these data.