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对高能重离子碰撞中不同相于性程度π源产生的多π关联事件进行了蒙特卡罗模拟，比较了不同多重数子事件中的多π关联对π源相于性程度依赖的敏感性．对Ｂｅｖａｌａｃ流光室２．１ＡＧｅＶＮｅ＋Ｐｂ和１．２ＡＧｅＶＡｒ＋ＫＣｌ中心碰撞产生的π源的相干性程度进行了分析，并与以往的２π干涉学的结果进行了比较．
Monte Carlo simulation was performed on multi-π correlation events generated by different phase degree π sources in high-energy heavy-ion collisions, and the sensitivity of multi-π correlations to the degree dependence of π-source phase in different multiple subproblems was compared. The degree of coherence of the π source due to the collisions of 2.1AGeVNe + Pb and 1.2AGeVAr + KCl centers in the Bevalac streamer cell was analyzed and compared with the previous results of 2π interferometry.