湮灭辐射
湮灭辐射是指粒子和反粒子互相湮灭所产生的辐射。根据质能转换公式，其辐射的能量等于粒子的质量(一般烟灭后会产生两个光子，每个光子都等于粒子的质量。)。在自然界中，最常见的湮灭辐射就是成对产生而造成的辐射，能量是511keV，成对产生是电磁波脉冲穿过原子时在原子核附近形成的形成反电子和电子，而电子-反电子对很快就会湮灭。
Annihilation radiation
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英语百科
Annihilation radiation 湮灭辐射
Annihilation radiation is a term used in Gamma spectroscopy for the gamma radiation produced when a particle and its antiparticle collide and annihilate. Most commonly, this refers to 511-keV gamma rays produced by a normal (negative) electron colliding with a positron.
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