Abstract

The gamma rays emitted in the decay of sources of 100Ag produced in the 102Pd(p,3n) and 92Mo(12C,p3n) reactions have been studied in singles and coincidence. Comparison of the measured relative intensities of gamma rays from sources produced in the two reactions confirms the existence of two beta-decaying isomers in 100Ag with spins and parities 5+ and 3(+). Decay schemes for the two isomers were constructed on the basis of gamma-gamma coincidences. The half-life of 100Ag was found to be 2.06+or-0.25 min and no difference was found in the half-lives of the two isomers. The decay energy was determined to be 7.17+or-0.25 MeV from studies of positron-gamma-ray coincidences. Measurements of log ft values and gamma-gamma angular correlations allowed the assignment of spins and parities to levels in 100Pb.

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