-
[1]
R. Klem et al., Phys. Rev. Lett., 38(1977), 1272.[2] G. Igo, Proceeding of Sixth International Conference on high Energy Physics and Nuclear Strueture (1975). 63.[3] S. J. Wallace, Phys. Rev., C12(1975), 179.[4] Y. Abgrall, J. Labrsougue and B. Morand. N. Phys., A271(1976), 477,及它所引文献.[5] 张禹顺、李扬国,物理学报,26(1977), 449.[6] E. Lambert and Feshback, Ann, of Phys., 76(1973), 80.[7] 李扬国、刘宪辉,物理学报,26 (1977), 180.