在强子物理研究中,3π产生的理论和实验有非常重要的意义,是目前世界上很多大型实验设备的重要研究对象.3πt强子物理包含丰富的物理内容,可以作为探索低能区强相互作用的有力工具.同时,3πt产生过程是寻找奇特轻介子态的主要途径之一.另外,通过研究3π产生反应道还可以寻找“失踪”共振态和重子激发态之间的级联衰变.介绍了目前国际各大高能物理实验室的3πt产生过程的实验、理论研究以及分波分析技术现状,重点介绍了美国杰弗逊国家实验室(Jefferson Lab,简称JLab)的CLAS(CEBAF Large Acceptance Spectrometer)实验上的3πt反应过程.最后,指出了3π强子物理研究的意义和未来的研究方向.
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