Lepton number conservation
What Lepton number conservation means in Physics A-Level, as defined for AQA, OCR.
Definitions of Lepton number conservation
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Reference: AQA
Lepton number is conserved within each lepton family, with 1 for leptons, −1 for antileptons and 0 for hadrons.
Lepton number is conserved in interactions, and it is a separate conservation law from baryon number.
Topics that use Lepton number conservation
- Applications of conservation laws (AQA A-Level)
- Fundamental particles (OCR A-Level)
Related terms
- Conservation of charge
- Conservation of lepton number
- Anti-quark charge reversal
- Baryon number and strangeness
- Baryons
- Charge from quark content
- Collisions, decays and annihilation processes
- Conservation laws in particle physics
Using Lepton number conservation in the exam
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