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Sakama, Minoru*; Tsukada, Kazuaki; Asai, Masato; Ichikawa, Shinichi; Haba, Hiromitsu; Goto, Shinichi*; Nishinaka, Ichiro; Nagame, Yuichiro; Oura, Yasuji*; Kojima, Yasuaki*; et al.
Journal of Nuclear Science and Technology, 39(Suppl.3), p.34 - 37, 2002/11
no abstracts in English
Takano, Hideki; *
JAERI-M 89-141, 78 Pages, 1989/10
no abstracts in English
Usuda, Shigekazu; Umezawa, Hirokazu
Hoshasen, 16(1), p.73 - 81, 1989/00
no abstracts in English
;
Journal of Nuclear Science and Technology, 24(6), p.501 - 502, 1987/06
Times Cited Count：3 Percentile：51.52(Nuclear Science & Technology)no abstracts in English
Sato, Takumi; Nishi, Tsuyoshi; Hayashi, Hirokazu
no journal, ,
The whole outline and main results of the study of the pyrochemical reprocessing process of nitride fuels for transmutation of minor actinides by accelerator driven system are reported.
Sugiyama, Koichi*; Go, Shintaro*; Tomimatsu, Taro*; Kai, Tamito*; Nagae, Daisuke*; Ishibashi, Yuichi*; Matsunaga, Sotaro*; Nagata, Yuto*; Nishibata, Hiroki*; Washiyama, Kohei*; et al.
no journal, ,
We have successfully performed in-beam gamma-ray spectroscopy using the isomer-scope technique to study excited-state structure of neutron-rich heavy-actinide nuclei. The neutron-rich heavy-actinide nuclei were produced in the multinucleon-transfer reactions with a 
Cm target and 
O projectiles accelerated with the JAEA tandem accelerator. Projectile-like scattered particles were detected with Si E-
E telescopes placed at the backward angle, and target-like scattered particles of isomers were caught by an annular aluminum plate placed at about 60-mm downstream from the target. Four Ge detectors and 4 LaBr detectors were placed at the periphery of the aluminum plate, and detected gamma rays from the isomers. Gamma rays emitted from the actinide isomers were successfully observed with a good sensitivity owing to the tungsten shield placed between the target and the detectors.
Es targetAsai, Masato; Tsukada, Kazuaki; Sato, Tetsuya; Ito, Yuta; Nishio, Katsuhisa; Makii, Hiroyuki; Hirose, Kentaro; Orlandi, R.; Suzaki, Fumi; Aoki, Ryota; et al.
no journal, ,
Fission of neutron-rich heavy-actinide nuclei exhibits extremely characteristic fission-fragment mass distributions which differ significantly from those of typical actinide nuclei. In the present study, we have succeeded in producing those neutron-rich heavy-actinide nuclei with multinucleon transfer reactions using an extremely rare and short-lived Es target bombarded with heavy-ion beam from the JAEA Tandem Accelerator. The products were mass-separated with an on-line isotope separator (ISOL), and spontaneous fission of 
Fm, 
Fm, 
Md, Lr was observed. Fission-fragment mass distributions and total kinetic energy distributions were obtained precisely, which provides us with important information to clarify the characteristic fission mechanism observed in this nuclear region.
