antiparticle

noun

1. 反粒子（与基本粒子质量相同，但电荷相反）
   a very small part of an atom that has the same mass as a normal particle but the opposite electrical charge

1. The polarised photons were able to take the place of the particle and the antiparticle in Dr Hardy's thought experiment because they obey the same quantum-mechanical rules.
   分化后的光子能够用来代替Hardy的思维试验中的粒子和反粒子，因为它们遵循了和量子力学中相同的规律。
2. When a particle and its antiparticle meet they can mutually annihilate and produce energy.
   当粒子和它的反粒子相遇时，它们会发生湮灭并产生能量。
3. Similarly the positively charged proton has a negatively charged antiparticle, the antiproton.
   同样的，带正电荷的质子具有其带负电荷的反粒子&即反质子。
4. Positive electron and antiparticle are found.
   正电子及反粒子的发现。
5. The particle can also fail to mirror its antiparticle ( CPT violations).
   粒子也可能不再是反粒子的镜像（CPT违逆）。
6. This sister particle is usually called an antiparticle.
   姐妹粒子通常称为反粒子。
7. The electron, for example, has negative charge, whilst its antiparticle, called the positron, has positive charge.
   举例说明，比如电子带负电荷，同时，它的反粒子被称作正电子&带有正电荷。
8. A horizontal bar over a particle symbol is used to designate the antiparticle.
   粒子符号上加一横，用来表示反粒子。
9. This property, often called "helicity," serves to differentiate the neutrino from its antiparticle.
   这种性质通常称为螺旋性，可以用来区分中微子和它的反粒子。
10. The magnetic bottle confining and compression for particle and antiparticle beams
    正、反粒子束的磁瓶约束和压缩
11. Positron is the antiparticle of electron and is the first kind of antimatter discovered by human, if it collide with an electron, they will annihilate mainly with the production of two gamma photons.
    正电子是电子的反粒子，同时是人类发现的第一个反粒子，正电子与电子相遇会以两γ光子为主要形式发生湮没。

noun

1. a particle that has the same mass as another particle but has opposite values for its other properties