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用不含QGP假设的强子和弦级联模型 (JPCIAE) ,研究了CERNWA98实验组新近发表的 1 58AGeV cPb +Pb中心碰撞中直接光子和π0 粒子的横动量分布 :两者的理论结果均一致的低于实验值 .联系到JPCIAE能成功解释无直接光子超出确切迹象的WA80和WA93对 2 0 0AGeV cS +Au中心碰撞测量得出的结果 :因而为 1 58AGeV cPb +Pb中心碰撞中可能有QGP生成提供了一个旁证
Using the Hadrons Chord Concatenation Model without QGP Assumptions (JPCIAE), we have studied the distributions of the direct photon and π0 particles in the recently released 58GeV cPb + Pb center collisions in the CERNWA98 experimental group: the theoretical results are consistent Lower than the experimental value.Contact JPCIAE can successfully explain the results of collision measurement of 20080AGeV cS + Au center with WA80 and WA93 without direct photon beyond the exact sign: Thus there may be QGP generation in 158GPeV cPb + Pb center collision Provide a circumstantial evidence