Levels in 185,~SVAu have been studied by radioactive decay of isotopically separated 185,18VHg" A number of low-energy very-converted transitions are observed in the decay. It is shown that the enhanced conversion in these cases comes from an E0 component rather than from an anomaly in the M 1 conversion process. A systematic pattern of bands interconnected with these very converted transitions is presented as evidence for a new type of particle-core coupling in 185,187Au '
Abstract— Quantum efficiencies in the vacuum ultraviolet, chromaticities, and decay times of a number of highly efficient green phosphors for plasma‐display applications are compared. It is shown that the Tb3+‐activated phosphates offer improved quantum efficiencies relative to those of the standard plasma‐display phosphor, Zn2SiO4:Mn, for applications where 10‐ms decay times are acceptable. For applications requiring a very fast response, a new Eu2+‐activated strontium aluminate is found to provide an efficient green phosphor whose efficiency is about 40% of the best phosphate but with a luminescence decay time of only 5 μs.
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