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中子寿命几何？8秒之谜困扰物理学家15年

 4 years ago
source link: https://tech.sina.com.cn/d/i/2019-06-08/doc-ihvhiqay4258536.shtml
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文章来源：Nature自然科研原文作者：AlexandraWitze中子能存活多久？物理学家离破解这个长期存在的宇宙谜题越来越近了。这台位于美国洛斯阿拉莫斯国家实验室的超冷中子主力探测器，让物理学家可以更加准确地测量中子寿命。中子是电中性粒

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