• [1]

    Xie Qu-bing, Liang Zuo-tang, in Mulriparrical Production Proc. of the Shandong workshop,Jinan, 1987, edited by R. C. Hwa and Q-B Xie (World Scientific, Singapore, 1988).[2] J B. Andersson et al, Phys. Rep., 97(1983), 33.[3] B. Andersson et al, Phys. Scrip., 32(1985), 574.[4] 方海平等,高能物理与核物理,13(1989),518.[5] C. de la Vaissierre et al., phys. Rev. Lett, 54(1985), 2071.[6] M. Althoff et at., Z. Phys.C17(1983), 5.[7] M. Althoff et al., Phys. Lett.139B(1984),126.