Antiparticle
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Key Stage 5
Meaning
Anti-particles are small units of anti-matter.
About Anti-particles
- Many particles have anti-particle counterparts which have the same mass but opposite electrical charge.
- During pair-production a particle and its anti-particle appear.
- When a particle meets its anti-particle they annihilate one another producing a pair of photons.
- Most anti-particles are given the name of its counterpart particle with the addition of the prefix anti. However, the anti-particle counterpart of the electron is known as the positron.