The new collider has to provide exact measurements of electron-positron annihilation.
新型的对撞机必须提供电子-正电子湮灭的准确测量结果。
One way to create such short bursts of gamma rays is through the collision — and subsequent annihilation, as the mass of those particles converts into energy — of an electron and a positron.
制造伽马射线短脉冲的一种方法,是电子与正电子的碰撞——之后的湮灭,使粒子的质量转化为能量。
We investigate physicss properties of positronium and the way of positron - electron annihilation.
探讨正电子偶素的物理性质以及正电子—电子对的湮灭方式。
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