The Decay of ^<144>Ce
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概要
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Gamma rays in the decay of ^<144>Ce are investigated with scintillation spectrometers using γ-γ coinsidence, sum-peak coincidence and γ-γ angular correlation techniques. The high efficiency 3π sum-peak coincidence spectrometer study suggests that the highest excited states in ^<144>Pr and ^<144>Nd are at 166 and 2860keV respectively. These levels are found to de-excite by 31-133 and 2180-696keV cascades, respectively. The γ-γ coincidence study confirms the results of the sum-peak coincidence study and also yields the relative intensities of some weak gamma rays. The gamma ray spectra in coincidence with the 80keV gamma ray and 35keV Pr K X-ray give K-conversion coefficients of 53 and 80keV transitions, respectively. γ-γ directional correlation measurements on the 33-41 and 53-80keV cascades support spin 2- and 0- for 100keV level and ground state of ^<144>Pr respectively. The mixing ratio for the 53keV transition is found to be (99.5±0.2)% M1, (0.5±0.2)% E2.
- 社団法人日本物理学会の論文
- 1969-07-05
著者
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Mangal P.
Department Of Physics Panjab University
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Trehan P.
Department Of Physics Panjab University
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Mangal P.C.
Department of Physics, Panjab University
関連論文
- Gamma-Gamma Directional Correlations in ^Tc
- Gamma-Gamma Angular Correlation in ^Pm
- The Decay of ^Ce
- The Decay of ^Cs
- The Decay of ^Sb