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电子对效应
释义
电子对效应
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理学
原子核
释
pair production effect
电子对效应
当能量高于1.022兆电子伏的γ光子通过物质时,在原子核的库仑场作用下,γ光子转化为电子对(一个正电子和一个负电子)的过程。
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excavated instruments from the tomb of Marquis Yi of Zeng
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