Half-life of the electron capture decaying isotope [Formula Presented] Am

K. Tsukada, S. Ichikawa, Y. Hatsukawa, I. Nishinaka, K. Hata, Y. Nagame, Y. Oura, T. Ohyama, K. Sueki, H. Nakahara, M. Asai, Y. Kojima, T. Hirose, H. Yamamoto, K. Kawade

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15 Citations (Scopus)

Abstract

The neutron deficient americium isotope [Formula Presented] Am has been produced via the [Formula Presented] U[Formula Presented] Li, 5[Formula Presented]) reaction. The reaction products were transported to an ion source of the on-line isotope separator (JAERI-ISOL) by a He/KCl aerosol jet transport system, and americium atoms were successfully ionized and mass-separated. Pu[Formula Presented] x rays associated with the EC decay of Am nuclei at the mass fraction of 236 were observed, indicating the definite identification of [Formula Presented] Am. The half-life of [Formula Presented] Am is determined to be 4.4[Formula Presented]0.8 min and the production cross section is estimated to be about 70 [Formula Presented]b.

Original languageEnglish
Pages (from-to)2057-2060
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume57
Issue number4
DOIs
Publication statusPublished - Jan 1 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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