Gamma transitions in the decay of195mPt
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The gamma transitions in the decay of195mPt were investigated by the use of high resolution double focusing beta-ray spectrometer. Conversion electrons were observed for transition of energy 79.94±0.32 keV and ascribed for the first time to the decay of 4.2 d195mPt. This confirmed that the 209 keV level decays either by the 208.81 keV transition (98%) or by a 79.94 keV–128.51 keV cascade (2%). The multipolarity assignment for each transition in195Pt was obtained by comparing the measured conversion line intensity ratios with the theoretical line intensity ratios ofSliv andBand. Two gamma transitions of nearly equal energy 129 and 130 keV could be detected, the first found to be pureE2 transition while the latter hasM4 character. The mixing ratio of some gamma-rays have been determined and some discrepancies were found. The data were discussed on the light of Coulomb excitation results.
KeywordsHigh Resolution Elementary Particle Conversion Electron pureE2 Transition Equal Energy
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