Particle Questions that include Feynman Diagrams
Q5.
(a)
(i) Underline the particles in the following list that may be affected by the weak interaction:
positron |
neutron |
photon |
neutrino |
positive pion |
(ii) Underline the particles in the following list that may be affected by the electromagnetic force.
electron |
antineutrino |
proton |
neutral pion |
negative muon |
(4 marks)
(b) A positive muon may decay in the following way:
(i) Exchange each particle for its corresponding antiparticle and complete the equation to show how a negative muon may decay.
(ii) Give one difference and one similarity between a negative muon and an electron.
(3 marks)
(c) Complete the Feynman diagram, which represents electron capture, by labelling all the particles involved.
(3 marks)
(Total 10 marks)
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