1. Institute for Integrated Radiation and Nuclear Science Kyoto University 2, Asashiro-Nishi, Kumatori, Sennan-gun Osaka 590-0494 Japan
2. SAKURA internet Research Center SAKURA internet Inc. Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku Osaka 530-0011 Japan
3. Graduate School of Engineering Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
4. Sales Department Furuuchi Chemical Corporation 6-17-17 Minamioi, Shinagawa-ku Tokyo 140-0013 Japan
5. Development Department, Tsukuba Factory Furuuchi Chemical Corporation 27 Kasuminosato, Oaza, Ami-machi, Inashiki-gun Ibaraki 300-0315 Japan
6. Research Institute of Nuclear Engineering University of Fukui 1-2-4 Kanawa-cho, Tsuruga Fukui 914-0055 Japan