Particle Questions that include Feynman Diagrams

Q6.The equation represents the emission of a positron from a proton.

(a) Energy and momentum are conserved in this emission. What other quantities are conserved in this emission?

(3 marks)

(b) Draw the Feynman diagram that corresponds to the positron emission represented in the equation.

 

 

 

 

 

 

 

(4 marks)

(c) Complete the following table using ticks and crosses.

particle

fundamental particle

meson

baryon

lepton

p

 

 

 

 

n

 

 

 

 

β +

 

 

 

 

νe

 

 

 

 

 

(4 marks)

(Total 11 marks)