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High resolutionL- andM-subshell internal conversion studies of low energy transitions in149Sm and151Eu |
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| Authors: | S. Antman H. Pettersson Z. Zehlev I. Adam |
| Affiliation: | 1. Institute of Physics, University of Uppsala, Uppsala, Sweden 2. Joint Institute for Nuclear Research, Dubna, USSR 3. Nuclear Research Institute, ?e? u Prahy, Czechoslovakia |
| Abstract: | The internal conversion subshell intensities of the (21.529±0.014) keV transition in151Eu and the (22.494±0.011) keV transition in149Sm have been determined in a high resolution investigation using a double-focussing iron-core spectrometer. The subshell ratios yielded unambiguousM1+E2 multipole mixtures for both transitions. δ2(E2/M1) for the 21.53 keV transition was determined to be (8.8±0.7)·10?4 and for the 22.49 keV transition to be (5.5±1.2)·10?3. |
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