在e<SUP>+</SUP>e<SUP>－</SUP>对撞过程中τ轻子对产生的阈行为

[1]
W. Marciano and A. Sirlin, Phys. Rev. Lett., 61(1988), 1815.[2]Particle Data Group, Phys. Lett., 238B(1990), 1.[3]J. Z. Bai et al., (BES Collaboration) Phys. Rev. Lctt., 69(1992), 3021.[4]R. Brandelik et al., Phys. Lett., 73B(197d), 109. (DASP) W. Bartel et al., Phys. Leu., 77B(1978), 331. (DESY) W. Bacino et al., Phys. Rev., Lett., 41(1973), 13. (DLCO) C.A.Blocker. LBL-10801 (Thesis) (Mark 1I)[5]F. A. Berends, K. J. F. Gaemers, R. Gastmans,Nucl., Phys,B57(1973). 381.[6]吴济民,高能物理与核物理,16(1992),518.[7]吴济民,"在e+e-对撞过程中辐射因子的严格计算",高能物理与核物理待发表.[8]L. D. Landau and E: M. Lifshitz, Quantum Mechanics 3rd. (Pergamon Press 1977) p. 123[9]J. Schwinger, Particles, Sources, and Fields Vol. III (Addison-Wesley, 1989) p. 109.[10]M. R. Voloshin. TPI-MINN-89/33-T.