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Isobe, Kanetsugu; Nakamura, Hirofumi; Kaminaga, Atsushi; Tsuzuki, Kazuhiro; Higashijima, Satoru; Nishi, Masataka; Kobayashi, Yasunori*; Konishi, Satoshi*
Fusion Engineering and Design, 81(1-7), p.827 - 832, 2006/02
Times Cited Count：11 Percentile：60.07(Nuclear Science & Technology)Exhaust gas from JT-60U during experimental operation has been measured with Gas Chromatography (GC), and the gas exhaust characteristic from JT-60U on plasma discharge conditions has been investigated during the JT-60U experimental campaign in 2003-2004. During experimental operation of JT-60U, hydrogen isotope concentration strongly depended on the type of discharges such as high performance, long pulse and so on. On the other hand, impurity species, such as helium, hydrocarbon and carbon oxide, were detected during plasma discharges occasionally. During the experimental operation, plasma disruption remarkably tended to produce high concentration impurities. Glow discharge and Taylor discharge for wall conditioning also produced impurities. In the case of normal plasma, impurity was detected and high performance plasma, such as high 
plasma, tended to produce high concentration impurities. This result indicated that impurities concentration might be higher in the case of normal plasma in ITER, because of its high performance.
Otsuki, Tsutomu*; Sueki, Keisuke*; ; ; Tsukada, Kazuaki*; ; Nakahara, Hiromichi*; Nagame, Yuichiro; Shinohara, Nobuo
Int. Symp. on Advanced Nuclear Energy Research; Near-Future Chemistry in Nuclear Energy Field, p.189 - 193, 1989/00
Pronton-fnduced fission was studied for 
^
Np, and 
^
U, and 9-32 MeV for 
^
Pu. It was found that the excitation functions of symmetrically divided fission fragments were quite different in shapes and threshold energies from those of asymmetrically divided ones. For understanding of these experimental results, the observed cross sections and the ratios of symmetric and asymmetric products were analyzed by a statistical model. The differenceds in the symmetric and asymmetric fission barriers were copared with those of the theoretical calculation by moller et al.
Konishi, Satoshi*; Kobayashi, Yasunori*; Isobe, Kanetsugu; Kaminaga, Atsushi; Nakamura, Hirofumi; Tsuzuki, Kazuhiro; Higashijima, Satoru
no journal, ,
no abstracts in English
Kobayashi, Yasunori*; Isobe, Kanetsugu; Kaminaga, Atsushi; Nakamura, Hirofumi; Tsuzuki, Kazuhiro; Higashijima, Satoru; Konishi, Satoshi*
no journal, ,
no abstracts in English
