Mind map

Matter and Antimatter

alex pilkington Physics A level English

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Hadrons
- Baryons
  - Interact - Strong and EM
  - Decay - weak
  - Have 3 quarks
  - E.g. Protons, antiprotons, neutrons, antineutrons
    - Protons: u,u,d
    - Antiproton: u,u,d (all anti)
    - Neutron: d,d,u
    - Antineutron: d,d,u (all anti)
- Mesons
  - Interact - strong and EM
  - Have 2 Quarks
  - E.g. Kaon and Pion
    - Kaon:
      - K-: u (anti), strange
      - K+: u, strange (anti)
      - K0: d, s (anti)
    - Pion:
      - pi 0: u,u (anti)
      - pi+: u, d (anti)
      - pi-: u (anti), down
  - Decay - weak
Leptons
- E.g. positron, muon, antimuon, tau, antitau, neutrino, antineutrino
- Interact - Weak and EM