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Radiative lifetime and energy of the low-energy isomeric level in 229Thстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 декабря 2015 г.
- Авторы: Tkalya E.V., Christian Schneider, Justin Jeet, Hudson Eric R.
- Журнал: Physical Review C
- Том: 92
- Год издания: 2015
- Издательство: American Physical Society
- Местоположение издательства: College Park, MD
- Первая страница: 054324
- DOI: 10.1103/PhysRevC.92.054324
- Аннотация: We estimate the range of the radiative lifetime and energy of the anomalous, low-energy 3/2+(7.8 ± 0.5 eV) state in the 229Th nucleus. Our phenomenological calculations are based on the available experimental data for the intensities ofM1 and E2 transitions between excited levels of the 229Th nucleus in the Kπ [NnZ] = 5/2+[633] and 3/2+[631] rotational bands. We also discuss the influence of certain branching coefficients, which affect the currently accepted measured energy of the isomeric state. From this work, we establish a favored region, 0.66 × 106s eV3/ω3 τ 2.2 × 106s eV3/ω3, where the transition lifetime τ as a function of transition energy ω should lie at roughly the 95% confidence level. Together with the result of Beck et al. [LLNL-PROC-415170 (2009)], we establish a favored area where transition lifetime and energy should lie at roughly the 90% confidence level.We also suggest new nuclear physics measurements, which would significantly reduce the ambiguity in the present data.
- Добавил в систему: Ткаля Евгений Викторович