A low-spin isomer in 74Br; Its half-life and decay scheme |
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| Authors: | H Schmeing RL Graham JC Hardy JS Geiger |
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| Institution: | Atomic Energy of Canada Limited, Physics Division, Chalk River Nuclear Laboratories, Chalk River, Ontario, Canada KOJ-IJO |
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| Abstract: | The isotope 74Br was produced as the daughter of 74Kr. This production mode leads to a 74Br isomer whose half-life was measured to be 25.3 ± 0.3 min. A decay scheme based on the 85 observed β-delayed γ-rays suggests the spin assignment (0, 1)?. Previous detailed studies have reported a 41.5 ± 1.5 min, 4? isomer of 74Br which is produced directly in nuclear reactions. There is no indication which of the two isomers represents the ground state of 74Br. |
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| Keywords: | Radioactivity |
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