Standard Model

Standard Model

1. Fermions

   • Baryons and antibaryons
     • Proton
       • Symbol: P
       • Quark content: uud
       • Electric charge: 1
       • Mass: 0.938 GeV/C^2
       • Spin: 1/2
     • Anti-proton
       • Quark content: ūūđ
       • Symbol: p̄
       • Electric charge: -1
       • Mass: 0.938 GeV/C^2
       • Spin: 1/2
     • Neutrino
       • Spin: 1/2
       • Mass: 0.940 GeV/C^2
       • Electric charge: 0
       • Symbol: n
       • Quark content: udd
     • Lambda
       • Symbol: Λ
       • Mass: 1.116 GeV/C^2
       • Electric charge: 0
       • Quark content: uds
       • Spin: 1/2
     • Omega
       • Mass: 1.672 GeV/C^2
       • Spin: 3/2
       • Symbol: Ω-
       • Quark content: sss
       • Electric charge: -1
   • Leptons
     • Muon neutrino
       • <0.0002 GeV/C^2
       • 0C
     • Muon
       • 0.106 GeV/C^2
       • -1C
     • Tau
       • 1.7771 GeV/C^2
       • -1C
     • Tau neutrino
       • <0.02 GeV/C^2
       • 0C
     • Electron
       • -1C
       • 0.000511 GeV/C^2
     • Electron neutrino
       • <1x10^-8 GeV/c^2
       • 0C
     • Spin = 1/2
   • Quarks
     • Bottom
       • 4.3 GeV/c^2
       • -1/3C
     • Top
       • 175 GeV/c^2
       • 2/3C
     • Strange
       • 0.1 GeV/c^2
       • -1/3C
     • Charm
       • 1.3 GeV/c^2
       • 2/3C
     • Up
       • 0.003 GeV/c^2
       • 2/3C
     • Down
       • 0.006 GeV/c^2
       • -1/3C
     • spin = 1/2

2. Bosons

   • Unified Electroweak
     • γ photon
       • Mass: 0 GeV/C^2
       • Electric charge: 0
     • W^-
       • Mass: 80.4 GeV/C^2
       • Electric charge: -1
     • W^+
       • Mass: 80.4 GeV/C^2
       • Electric charge: +1
     • Z^0
       • Mass: 91.187 GeV/C^2
       • Electric charge: 0
   • Strong (colour)
     • Gluon
       • Symbol: g
       • Mass: 0 GeV/C^2
       • Electric charge: 0
   • Mesons
     • All mesons have a quark-antiquark arrangement.
       • Pion
         • π+
         • Quark content: up anti-down
         • Mass: 0.140 GeV/C^2
         • Electric charge: +1
         • Spin: 0
       • Kaon
         • Quark content: strange anti-up
         • K-
         • Electric charge: -1
         • Mass: 0.494 GeV/C^2
         • Spin: 1

3. Properties of the interaction

   • Interaction
     • Gravitational
       • Acts on mass and energy
       • All particles experiencing
       • Graviton particles mediating (not yet observed)
     • Weak
       • Acts on flavour
       • Quarks and leptons are experiencing
       • W+, W- and Z^0 particles mediating
     • Electromagnetic
       • Acts on electric charge
       • Electrically charged particles are experiencing
       • γ particles mediating
     • Strong
       • Acts on colour charge
       • Quark and gluon particles are experiencing
       • Gluon particles are mediating
       • Hadron particles are experiencing
       • Meson particles mediating
       • Residual
       • Fundamental