A low-lying 2− state in 236U
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Nuclear Data Sheets for A=236
2022, Nuclear Data SheetsThe production of Neptunium-236g
2014, Journal of Environmental RadioactivityCitation Excerpt :The branching ratio for the competing decay branches from the 236mNp state are listed as 50(3)% for each decay mode in the most recent nuclear data sheets evaluation (Browne and Tuli, 2006). This majority of the decay strength from the 236mNp state decays directly to the 0+ ground states and first Iπ = 2+ states in the 236Pu and 236U daughter nuclei, with a weak direct decay branch also identified the Kπ = 2- excited state at 687.7 keV in 236U (Lederer et al., 1969). The electromagnetic (M5) direct decay branch from the 236mNp (1−) metastable state to the proposed Kπ = 6− 236gNp ground state has not been identified experimentally to date.
Assessment of internal conversion coefficients for anomalous electric dipole transitions
2008, Applied Radiation and IsotopesNuclear Data Sheets for A = 236
2006, Nuclear Data SheetsNuclear data sheets for A = 232, 236
1991, Nuclear Data Sheets
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This work was performed under the auspices of the U.S. Atomic Energy Commission.
Copyright © 1969 Published by Elsevier B.V.