-
[1]
. Sjostrand T .int.J.Mod .Phys.,1 988,A3:751 ;Z Physics at LEP1 ,CERN Report CERN89–0 9,3:1432. WANG Qun,XIE Qu-Bing .High Energy Phys.and Nucl.Phys.,1995,19:1100(in Chinese)(王群、谢去病.高能物理与核物理,1995,19:1100)3. Friberg C ,Gustafson G ,Hakkinen J.Nucl.Phys.,1997,B490:2894. Wang Qun ,Gustafson G ,Xie Qu-Bing .Phys.Rev .,2000,D62:054004 5. Knowles I G ,Lafferty G D .Journal of Phys.Nuclear and Particle Phys.,1997,G23:731 6. Andersson B,Gustafson G ,Soderberg B .Nucl.Phys.,1986,B264:297. Particle Data Group.Eur.Phys.J.2000 ,C15:226 8. ARGUS,Albrecht H et al.Z.Phys.,1989,C44:547 9. TPC,Aihara H et al.Phys.Rev.Lett.,1988,61:1263 10. ALEPH,D.Buskulic et al.Z.Phys.,1995,C66:355 11. DELPHI,Abreu P et al.Eur.Phys.J.,1998,C5:585 12. OPAL,Akers R et al.Z .Phys.,1994,C63:18113. SLD,Abe K et al.Phys.Rev.,1 999,D59:052001