两项精密实验解开“质子半径之谜”
来自德国马克斯·普朗克量子光学研究所、美国科罗拉多大学等机构的科学家，开展了两项极其精密的实验，结果相互吻合，他们测得质子半径约为0.84飞米（1飞米等于一千万亿分之一米），与此前质子半径测量值一致。最新发现不仅破解了“质子半径之谜”，还有望推动新粒子的发现。两篇论文分别发表于最
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