想問一下β衰變中已放出電子後的衰變物多了一個質子，它會由外間吸一個電子進自己的電子層來回復中性，那麼
1.外間的電子的由來是甚麼呢?
physicsβ衰變
2013-07-25 7:40 am
回答 (1)
2013-07-25 8:18 am
✔ 最佳答案
There are plenty of free electrons in the environment. They come from the interaction of cosmic rays (宇宙射線) with the atmosphere, or from natural radioactivity present in the environment.
收錄日期: 2021-04-13 19:35:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130724000051KK00353