2022年3月25日
Ground-state β-decay spectroscopy of Ta-187
Physical Review C
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- 巻
- 105
- 号
- 3
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1103/physrevc.105.034331
- 出版者・発行元
- American Physical Society (APS)
Beta-decay spectroscopy of the 187Ta ground state was performed at the KEK Isotope Separation System. β- delayed γ rays corresponding to the previously reported in-beam transitions were observed. The β-decay half-life of the 187 Ta ground state was determined to be 283(10) s by analyzing a time spectrum of β -γ coincidence events. The β -decay branching ratio and log( f t ) values were evaluated for the first time. Based on the newly evaluated log( f t ) values of >6.0 and a decay scheme, spin-parity values of I π = 7/2+ originating from the odd-proton orbit π7/2[404] were assigned with high confidence, which is consistent with the systematics of neighboring odd-A nuclides.
- リンク情報
- ID情報
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- DOI : 10.1103/physrevc.105.034331
- ISSN : 2469-9985
- eISSN : 2469-9993