• [1]

    . Brandel ik R et al (TASSO Collab. ) . Phys. Lett. , 1979, B86: 2432. Abreu P et al ( DELPHI Collab. ) . Eur. Phys. J. , 1998, C4: 1 .. 173. Buskulic D et ak ( ALEPH Collab. ) . Phys. Lett . , 1996, B383: 3534. Acton P D et al ( OPAL Collab. ) . Z. Phys. , 1993, C58: 387; 1995,C68: 1795. ZHANG Kun Shi, CHEN Gang, YU Mei Ling et al. HEP NP, 2002,26: 1110 (in Chinese)(张昆实,陈刚,喻梅凌等.高能物理与核物理,2002,26:111)6. CHEN Gang, ZHANG Kun Shi, LIU Lian Shou. SCIENCE IN CHINA,2002, A32: 1088(in Chinese)(陈刚,张昆实,刘连寿.中国科学,2002, A32:1088)7. YU Mei Ling, LIU Lian Shou. A Mont e Carlo Study on the Iden tification of Quark andGluon Jets. In: Proc. of the XXXI International Symposium on Mult ipart icle Dynamics. Datong China. Sept. 2001, eds.BAI Yu Ting, YU Mei Ling, WU Yuan Fang, Singapore: World Scientific; hep- ph/01114248. Derrick M et al (HRS Collab. ) . Phys. Let t. , 1985, B165: 4499. Derrick M et al (HRS Collab. ) . Phys. Rev. Lett. , 1989, 63: 1710. YU Mei Ling, LIU Lian Shou. Chin. Phys. Lett. , 2002, 19: 647 ..65111. Abreu P et al (DELPHI Collab. ) . Phys. Lett. , 1999, B449: 383