Identification of new isomers in $$^{228}$$ 228 Ac: impact on dark matter searches
Abstract We report the identification of metastable isomeric states of $$^{228}$$ 228 Ac at 6.28 keV, 6.67 keV and 20.19 keV, with lifetimes of an order of 100 ns. These states are produced by the $$\beta $$ β -decay of $$^{228}$$ 228 Ra, a component of the $$^{232}$$ 232 Th decay chain, with $$\bet...
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| Главные авторы: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
SpringerOpen
2021-08-01
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| Серии: | European Physical Journal C: Particles and Fields |
| Online-ссылка: | https://doi.org/10.1140/epjc/s10052-021-09473-2 |
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