Unit 1 Particle Classification
- Created by: Chloe James
- Created on: 23-09-15 22:02
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- Particles
- Hadrons
- Mesons
- Made up of one quark, and one antiquark
- Pions
- Always contain up and down quarks
- ?0
- UU*
- ?-
- U*D
- ?0
- DD*
- ?+
- UD*
- Kaons
- Always contain at least one strange quark or antiquark
- K-
- U*S
- K0
- DS*
- K+
- US*
- K0
- D*S
- Baryons
- Proton
- UUD
- Baryon Number: 1
- Neutron
- UDD
- Baryon Number: 1
- Made up of 3 quarks, or 3 antiquarks
- Anti-proton
- U*U*D*
- Baryon Number: -1
- Anti-neutron
- U*D*D*
- Baryon Number: -1
- Proton
- Mesons
- Leptons
- Muon
- Lepton Number: 1
- Tau
- Lepton Number: 1
- Anti Tau
- Lepton Number: -1
- Positron
- Lepton Number: -1
- Anti Muon
- Lepton Number: -1
- Electron
- Lepton Number: 1
- Antineutrinos
- Lepton Number: -1
- Neutrinos
- Lepton Number: 1
- All leptons have a lepton number of one. Anti leptons have -1, and opposite charges.
- Muon
- Bosons
- Graviton
- Mediates via Gravity
- Gluon
- Mediates via the Strong Force
- W+,W-,Z
- Mediates via the Weak Force
- Photon
- Mediates via the EM Force
- These are also known as force carriers. They exchange information between two surfaces.
- Graviton
- Hadrons
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