Es targetAsai, Masato 
; Tsukada, Kazuaki ; Hirose, Kentaro ; Toyoshima, Atsushi; Tomitsuka, Tomohiro; Chiera, N. M.; Ito, Yuta 
; Makii, Hiroyuki ; Nagame, Yuichiro ; Nishio, Katsuhisa ; Orlandi, R. ; Ratha, K. K.*; Sato, Tetsuya ; Suzuki, Hayato*; Tokoi, Katsuyuki*; Vermeulen, M. J.; Yanagihara, Rikuto*; Nishinaka, Ichiro*; Kamada, Hiroki*; Shibata, Michihiro*; Goto, Shinichi*; Hirose, Hikaru*; Hayashi, Hiroaki*; Sakama, Minoru*
Spontaneous fissions of neutron-rich heavy actinide isotopes 
Fm, 
Fm, and 
Lr have been measured at the JAEA Tandem accelerator facility. Fm and Fm were produced in a multinucleon transfer reaction with an 
O beam and an extremely rare Es target with a half-life of 276 days. Reaction products were mass-separated with an on-line isotope separator (ISOL). A transition between the typical asymmetric mass distribution and a very sharp symmetric one was clearly observed between Fm and Fm, while the spontaneous fission of Lr was found to exhibit mixture of three different fission modes.
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: | Japanese |
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: | 2019/03 |
Location (city) |
: | 福岡 |
Location (country) |
: | 日本 |
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Keywords |
: | Einsteinium 254 Target; Fermium 256; Fermium 258; Lawrencium 259; Spontaneous Fission; ISOL |
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