Impact of TAGS measurement on FP decay data and decay heat calculations

T. Yoshida*, N. Hagura, R. Umezu, A. Algora, J. L. Tain, D. Jordan, T. Tachibana

*この研究の対応する著者

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Nuclear level schemes are usually constructed from the high-resolution data of the gamma-ray transitions which immediately follow the beta-decay of their parents. It is recognized that this procedure may lead to the "pandemonium problem". If we use the decay data suffering from the pandemonium problem for the decay heat calculations the beta-ray component will be overestimated and the gamma-ray component underestimated. The beta-feeding data obtained by the total absorption gamma-ray spectroscopy (TAGS) is proved to be free from this problem. In the case of the Japanese data base for the FP decay heat calculation, the theoretical values based on the gross theory of beta-decay are widely introduced to circumvent the pandemonium problem. The gross theory, however, is not good at describing any beta-transition exclusively concentrating to a single level in the daughter nucleus. The TAGS method is also proved to be able to save this situation. Further, we have to change our comprehension over the currently published decay schemes.

本文言語English
ページ(範囲)1543-1546
ページ数4
ジャーナルJournal of the Korean Physical Society
59
23
DOI
出版ステータスPublished - 2011 8月 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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