J/Ψ粒子是由粲夸克和反粲夸克组成的束缚态的实验证明  

How it was shown experimentally that the J/Ψ particle is composed of charm and anti-charm quarks

作　　者：何景棠[1] 

机构地区：[1]中国科学院高能物理研究所,北京100039

出　　处：《物理》2004年第11期826-832,共7页Physics

摘　　要：叙述了J/Ψ粒子是由粲夸克和反粲夸克组成的束缚态的实验证明的历史过程 ,以及发现J/Ψ家族 ,一系列粲介子和粲重子的实验 .人们可以从中获得有益的启示 .A historical account is given of how the charm and anti-charm composition of the J/Ψ particle was experimentally determined. The series of experiments that led to the discovery of charm mesons and charm baryons is also recounted, from which we can gain much enlightenment.

关 键 词：J/Ψ 实验证明 束缚态 粲夸克 粒子 介子 重子 启示 发现 家族 

分 类 号：O572.33[理学—粒子物理与原子核物理]