I.Kumabe1,M.Hyakutake1,M.Inoue2,K.Hosono2,K.Yuasa3, B.Saeki3,T.Yamagata3,S.Kishimoto3,T.Yanabu4,T.Higo4, Y.Iwashita4,K.Ogino5,N.Sakamoto6 Kyushu Univ., Fukuoka1 Research Center for Nuclear Physics, Osaka Univ, Osaka2 Konan Univ., Kobe3 Kyoto Univ.4 Kyoto Univ.5 Japan6
Journal of the Physical Society of Japan47(1979)673