Physics A Level

Up Learn – A Level physics (AQA) – particles and interactions

How pair production results in a particle-antiparticle pair from a high-energy photon.

 

Transcript

Lesson overview

Stable and Unstable Nuclei

  1. Introduction to Stable and Unstable Nuclei
  2. Particles – Recap — Article
  3. Stable and Unstable Nuclei
  4. Alpha Decay
  5. Beta Plus Decay
  6. Beta Minus Decay
  7. Beta Plus vs Beta Minus Decay
  8. Quarks and Beta Decay
  9. Nuclear Decay – Worked Example
  10. Electron Capture
  11. Gamma Decay
  12. How Dangerous Is Nuclear Decay?

Conservation Laws and Further Interactions

  1. Introduction to Conservation Laws
  2. What Are Particle Interactions?
  3. Particle Decay and Muon Decay
  4. Strange Particles
  5. Conservation Laws
  6. Conservation of Strangeness
  7. Working with Conservation Laws
  8. Showing If An Interaction Is Possible
  9. Worked Example – Particle Interactions

Particle Interaction Diagrams

  1. Introduction to Particle Interaction Diagrams
  2. Basic Rules of Particle Interaction Diagrams
  3. Photons and Virtual Photons – Article
  4. Collision Diagrams
  5. Electron Capture and Electron-Proton Collisions
  6. Arrows and Particle Interaction Diagrams – Article
  7. Particle Decay Diagrams

Annihilation and Pair Production

  1. Introduction to Annihilation and Pair Production
  2. Annihilation
  3. Simple Annihilation Diagrams — Article
  4. Rest Energy
  5. Electron Volts Recap — Article
  6. The Energy of Emitted Photons
  7. Worked Example: Frequency of an Emitted Photon
  8. Pair Production
  9. Minimum Photon Energy and Pair Production