The new collider has to provide exact measurements of electron-positronannihilation.
新型的对撞机必须提供电子-正电子湮灭的准确测量结果。
2
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。
3
We investigate physicss properties of positronium and the way of positron - electronannihilation.