Study of the Rh^104g, Rh^104m,$In^{116_{m_1 } }$ and Ta^182m decays with a lithium-drifted germanium detector

Abstract

The decay schemes of Rh^104g(1⁺, 42 sec), Rh^104m(5⁺, 4.4. min),$In^{116_{m_1 } }$ (5⁺, 54.min) and Ta^182m(16.3 min) have been reinvestigated using lithium-drifted germanium detectors. By differential activation the decay of Rh^104g was studied independently of that of Rh^104m, leading to revised decay schemes for both isomers. The existence of a very weak (1%) 0.355–0.465 MeV cascade between the 2⁺, 0⁺ and 2⁺ levels of Sn¹¹⁶ at 2.12,1.75 and 1.29 MeV, respectively, in the$In^{116_{m_1 } }$ decay has been confirmed, as well as the general features of the Ta^182m decay.