Particle Physics

Particle Physics

1. Particles and Radiation

   • Atomic structure
     • Each atom is ~1x10^-10m in diameter
     • Specific Charge is the ratio of charge to mass of a particle / C kg^-1
       • Specific charge = charge / mass
   • Stable and unstable nuclei
     • Forces in the nucleus
       • Electromagnetic force
         • Causes positively charged protons in the nucleus to repel eachother
         • Much larger than gravitational force
       • Gravitational force
         • Causes the nucleons in the nucleus to attract each other due to their mass
         • Small, can be ignored
       • Strong Nuclear force
         • Stronger than electromagnetic force
   • Antiparticles and Photons
   • Classification of particles
   • Quarks and antiquarks
   • Particle interactions

2. Electromagnetic Radiation and Quantum Phenomena

   • The Photoelectric effect
   • Energy levels in atoms
   • Wave-Particle duality

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