• [1]

    M.Banner et al.(UA2),Phys.Lett.118B(1982)203;G.Amison et al.(UA1),Phys.Lett.123B(1983)115.[2]G.Ciapetti(UA1),in Proceedings of the Fifth Topical Workshop on Proton-Antiproton Collider Physics,St.Vincent Aosta Valley,Italy,1985,edited by M.Greco(WorldScientific,Singapore,1985(p.488.[3]Chao Wei-qin,Meng Ta-chung,Pan Ji-cai,Phys,Rev,Lett.58(1987)1399.[4]X.N.Wang,R.C.Hwa,Phys.Rev.D39(1989)187.[5]Wu Yuanfang,Liu Lianshou,Phys.Lett.269B(1991)28.[6]Y.F.Wu et al.(UA1) .Acta Phys.Slov,44(1994)141.[7]Liu Feng,Wu Yuanfang,Liu Lianshou,Chinese J.of Nucl.Phys,15(1993)7.[8]UA5 Collaboration,Phys,Lett,160B(1985)199.