Search for an isomer in94Rb |
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Authors: | Y. Kawase Y. Funakoshi K. Okano |
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Affiliation: | 1. Research Reactor Institute, Kyoto University, Osaka, Japan
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Abstract: | Measurements of theβ-ray half-life,γ-ray and X-ray spectra andγ-ray half-lives have been done with a plastic scintillation detector, a high resolution Ge(HP) detector and a 142 cm3 Ge(Li) detector to search for an isomeric state in94Rb. Mass-separated activities of94Rb were obtained from the He-jet type on-line mass-separator at the Kyoto University reactor. No isomeric transition was found in theγ-ray and X-ray measurements with the upper limits of 3×10?4 and 8×10?5, respectively, as compared with the 836.9 keV transition. Half-lives obtained from theγ-ray decay measurements are discussed in the light of classification given byQ β -value measurements. |
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