Antiparticle
What Antiparticle means in Physics A-Level, as defined for AQA, Pearson Edexcel.
Definitions of Antiparticle
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Reference: AQA
For every type of particle there is a corresponding one with the same rest mass but opposite electric charge and opposite quantum numbers such as baryon number, lepton number and strangeness.
Corresponding particle with the same rest mass but opposite values of charge and other quantum numbers such as baryon number and lepton number.
A particle with the same mass and rest energy as its corresponding matter particle, but with opposite charge and quantum numbers.
Topics that use Antiparticle
- Particles, antiparticles and photons (AQA A-Level)
- Topic 8: Nuclear and Particle Physics (Pearson Edexcel A-Level)
Related terms
- Annihilation
- Annihilation energy calculations
- Charge and quantum number symmetry
- Conservation laws in particle interactions
- Electronvolt (eV)
- Pair production
- Photon
- Photon model
Using Antiparticle in the exam
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