• [1]

    J. Chokrabaati, CNY-HEP-79/1.[2] M.Kobayaeh and T. Maskawa., Prog. of Theor. Phys., 49(1973), 652.[3] M. A. Gaillard and B. W. Lee, Phys. Rev., D10(1974)，897.[4] J. Ellis, Nucl. Phys., B109(1978), 213-243.[5] 吴丹迪、李铁忠,高能物理与核物理,4(1980) 455.[6] F. Vilezek and A. Zee, Phys., Rev. Lett., 42(1979), 421.