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反ベリリウム

反ベリリウム(はんベリリウム、Anti-Beryllium)は、ベリリウム反物質である。元素記号Beであり、元素番号は-4。反ベリリウムの原子核には反陽子が4個含まれ、原子核の周りには陽電子(反電子)が4個存在している。

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反ベリリウム7(原子核は反陽子4個と反中性子3個からなる)は、反リチウムの製造過程において現れると考えられている。計画では、反ヘリウム4のビームと反ヘリウム3のビームが合体するとガンマ線を放出して反ベリリウム7となる、これが電子捕獲を起こし反リチウム7となる[1]

参考文献

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反ベリリウム
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