Your instructor purchased a coffee mug at CERN with a simple version of the Lagrangian (L) of the standard model of particle physics written on the side of the mug as:
1 L = – 4 – F” F” V 0 Y ij j + 1;012 – V(0)•
(ii) Sketch a primitive strong interaction. (iii) Sketch a primitive weak interaction.
1 , rut) •Feynman vertex of the 4 111) r term for the [2 Marks] 1 Feynman vertex of the — 4 FPt) Fu” term for the [2 marks]