Physics A-Level
Antiquarks
What Antiquarks means in Physics A-Level, as defined for AQA.
Definitions of Antiquarks
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Reference: AQA
Particles that have the opposite sign of every quantum number, so ū has charge −⅔e, d̄ has charge +⅓e and s̄ has charge +⅓e, each with baryon number −⅓.
Particles that carry the opposite charge, and reverse the sign of baryon number and strangeness, relative to their corresponding quarks.
Topics that use Antiquarks
- Quarks and antiquarks (AQA A-Level)
Related terms
- Baryon number
- Baryons
- Conservation laws in particle decays
- Exchange particles and Feynman diagrams
- Mesons
- Quark properties
- Quarks
- Strangeness
Using Antiquarks in the exam
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