H.Toyokawa1,H.Ohnuma2,Y.Tajima2,T.Niizeki2,Y.Honjo3, S.Tomita3,K.Ohkushi3,M.H.Tanaka4,S.Kubono4,M.Yosoi5 Research Center for Nuclear Physics, Osaka Univ, Osaka1 Tokyo Inst.of Technology, Tokyo2 Univ. of Tsukuba, Tsukuba3 Univ. of Tokyo, Tokyo4 Kyoto Univ.5
Physical Review, Part C, Nuclear Physics51(1995)2592