T.Zheng1,2,3, T.Yamaguchi1, A.Ozawa1, M.Chiba1, R.Kanungo1, T.Kato1, K.Katori1, K.Morimoto1, T.Ohnishi1, T.Suda1, I.Tanihata1, Y.Yamaguchi1, A.Yoshida1, K.Yoshida1, H.Toki1,4, N.Nakajima4 Inst.of Physical and Chemical Res. (RIKEN1 Tokyo University of Science, Noda, Chiba2 Beijing Univ., Beijing3 Research Center for Nuclear Physics, Osaka Univ, Osaka4
error(709(2002)103'5')