J.Chiba1, T.Kobayashi1, T.Nagae2, I.Arai3, N.Kato3, H.Kitayama3, A.Manabe3, M.Tanaka3, K.Tomizawa3, D.Beatty4, G.Edwards4, C.Glashausser4, G.J.Kumbartzki4, R.D.Ransome4, F.T.Baker5 High Energy Accelerator Res. Org. (KEK1 Institute for Nuclear Study, Univ. of Tokyo, Tanashi2 Univ. of Tsukuba, Tsukuba3 Rutgers University, New Brunswick, NJ4 University of Georgia, Athens, GA5
Physical Review Letters67(1991)1982