• [1]

    ZHANG Zong-Ye, W You-Wen, DAI Lian-Rong. High Energy Phys. and Nucl. Phys.,1996, 20: 363 (in Chinese) ;ZHANG Z Y et al. Nucl. Phys., 1997,A625:59(张宗烨，余友文，戴连荣.高能物理与核物理，1996,20: 363)2 YU You-Wen.ZHANG Zong-Ye,WAN Xu-Qing. High Energy Phys. and Nucl. Phys., 1999, 23:859(in Chinese); YU Y W. ZHANG Z Y.YUAN X Q.Commun.Theor.Phys.1999.31:1(余友文，张宗烨，袁秀青.高能物理与核物理，1999,23: 859)3 ZHANG Z Y et al. Commun. Theor. Phys., 2000, 33:3214 WANG F.PING J L, WU G H et al. Phys. Rev., 1995, C51: 3411