[問題] 拉賽福散射
講義上寫說撞擊金原子的阿法粒子的動能不能太大
但是如果動能太大會發生什麼事情呢?
老師說這樣物質波波長會和原子晶格間距相近會發生繞射
可是也有老師說這樣粒子的質量要用相對論修正
感覺好怪喔，希望板上的先進能夠指導一下，謝謝
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