S.Matsuki1, N.Sakamoto1, K.Ogino2, Y.Kadota2, Y.Saito2, T.Tanabe3, M.Yasue3, Y.Okuma4 Japan1 Kyoto Univ.2 Institute for Nuclear Study, Univ. of Tokyo, Tanashi3 Research Center for Nuclear Physics, Osaka Univ, Osaka4
Physics Letters,Section B72(1978)319