Identification of [Formula Presented] and [Formula Presented]

S. Ichikawa, K. Tsukada, I. Nishinaka, Y. Hatsukawa, H. Iimura, K. Hata, Y. Nagame, A. Osa, M. Asai, Y. Kojima, T. Hirose, M. Shibata, K. Kawade, Y. Oura

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Two new neutron-rich rare-earth isotopes [Formula Presented] and [Formula Presented] produced in the proton-induced fission of [Formula Presented] were identified using the JAERI on-line isotope separator (JAERI-ISOL) coupled to a gas-jet transport system. The half-lives were determined to be 4.8±0.8 s for [Formula Presented] and 10.3±1.6 s for [Formula Presented] The assignment of these isotopes was based upon the observation of Eu and Tb K x rays in the [Formula Presented]-gated x/[Formula Presented]-ray spectra measured for the separated mass fraction 177 and 181 as monoxide ions [Formula Presented] and [Formula Presented] respectively.

Original languageEnglish
Pages (from-to)1329-1332
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume58
Issue number2
DOIs
Publication statusPublished - Jan 1 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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