单词 | pair production |
释义 | pair production【化】 电子偶的产生【医】 离子偶产生 pair production pair production n.(名词)The simultaneous creation of a subatomic particle and its antiparticle from another form of energy, especially the production of a positron and an electron from a gamma ray photon in a strong electric field, such as that surrounding a nucleus.电子对偶的产生:从能量的另一种形式同时产生的亚原子微粒以及它的反粒子,尤指在强电区域内,一正电子和一电子从γ射线的光子中子产生,如在核周围 |
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