Particle Physics Questions

Q4.

(a) Pair production can occur when a photon interacts with matter. Explain the process of pair production.

(2 marks)

(b) Explain why pair production cannot take place if the frequency of the photon is below a certain value.

(3 marks)

(c) Energy and momentum are conserved during pair production. State two other quantities that must also be conserved.

(2 marks)

(Total 7 marks)