LHC报告迄今最大正反物质不对称现象

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摘要据欧洲核子研究中心官网近日报道,大型强子对撞机(LHC)上底夸克探测器(LHCB)实验合作组宣布,他们观察到迄今最大的正反物质不对称现象,有助进一步揭示宇宙为何由物质而非反物质组成。电荷共轭—宇称(CP)不对称已成为粒子物理学标准模型的重要组成部分。如果没有它,宇宙大爆炸会产生等量的正反物质,它们相遇后会彼此湮灭。而要产生一个由物质主导的宇宙,一定有更多物质形成并在这场湮灭中幸存下来,由此正反物质之间必须存在一些差异,即CP不对称必然存在。

出处《河南科技》 2022年第6期4-4,共1页 Henan Science and Technology

关键词粒子物理学不对称现象标准模型宇宙大爆炸宇称反物质 LHC 电荷共轭

分类号 O572.3 [理学—粒子物理与原子核物理]

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LHC报告迄今最大正反物质不对称现象

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