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粲夸克的实验发现
含粲夸克粒子最早的实验记录可能来自于1971年科学家对宇宙线的实验观察[7]。在同一时期,莱德曼 (Leon Lederman)在AGS加速器上观察质子束流轰击靶产生的正负缪子对的反应截面时,也曾在3 ...
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