[Formula Presented]-decays of neutron-deficient americium isotopes

M. Sakama, M. Asai, K. Tsukada, S. Ichikawa, I. Nishinaka, Y. Nagame, H. Haba, S. Goto, M. Shibata, K. Kawade, Y. Kojima, Y. Oura, M. Ebihara, H. Nakahara

研究成果: Contribution to journalArticle査読

抄録

Neutron-deficient americium isotopes [Formula Presented] were produced in the bombardment of multiple thin targets of [Formula Presented] and [Formula Presented] with [Formula Presented] ions. The reaction products were effectively mass-separated using the on-line isotope separator (JAERI-ISOL) coupled to a helium gas-jet transport system. For the first time, the [Formula Presented] transition of [Formula Presented] was observed, and some improved [Formula Presented]-decay data for [Formula Presented] and [Formula Presented] ([Formula Presented]-decay daughter of [Formula Presented]) were accumulated. The [Formula Presented]-particle energies of [Formula Presented] and [Formula Presented] were determined to be [Formula Presented] and [Formula Presented] and their half-lives were [Formula Presented] and [Formula Presented], respectively. Measured [Formula Presented]-decay branching ratios of [Formula Presented] and [Formula Presented] were [Formula Presented] and [Formula Presented], respectively, while the lower limit for [Formula Presented]-decay of [Formula Presented] was deduced to be [Formula Presented]. Hindrance factors and probable assignments of the levels involved in those [Formula Presented] transitions are discussed.

本文言語英語
ページ数1
ジャーナルPhysical Review C - Nuclear Physics
69
1
DOI
出版ステータス出版済み - 1 1 2004
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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