[1] Kyoto University, Osaka 590-0494, Japan
[2] Tokyo University of Marine Science and Technology, Tokyo 135-8533, Japan
[3] Purdue University, West Lafayette, IN 47907-2017
[4] University of Ontario, Institute of Technology, Oshawa, Ont. L1H 7K4, Canada
[5] Research Reactor Institute, Kumatori, Sennan
[6] Faculty ot Marine Technology, Etchujima, Koto
[7] School of Nuclear Engineering, 400 Central Drive
[8] Research and Graduate Programs, 2000 Simcoe Street North