Question

When two particles interact with each other, it seems that the two particles must be 'aware' of each other and so something must be transferred between the two particles. A crude analogy to help understand the particle transfer idea can be shown by using the following situation. Imagine two people on ice skates, on ice, standing directly opposite each other. One person holds a heavy ball and throws the ball to the person opposite them. They catch the ball and throw the ball back and this process is repeated many times. a) Describe using a suitable sketch how this analogy helps explain the effect of an exchange particle has between two particles. b) Complete the partially drawn Feynman diagram below, Fig 6, of beta minus decay and name all the particles. Fig 6 - Feynman diagram for beta minus decay n e

          When two particles interact with each other, it seems that the two particles must be 'aware'
of each other and so something must be transferred between the two particles.
A crude analogy to help understand the particle transfer idea can be shown by using the
following situation.
Imagine two people on ice skates, on ice, standing directly opposite each other. One
person holds a heavy ball and throws the ball to the person opposite them. They catch the
ball and throw the ball back and this process is repeated many times.
a) Describe using a suitable sketch how this analogy helps explain the effect of an
exchange particle has between two particles.
b) Complete the partially drawn Feynman diagram below, Fig 6, of beta minus decay
and name all the particles.
Fig 6 - Feynman diagram for beta minus decay
n
e

When two particles interact with each other, it seems that the two particles must be 'aware'
of each other and so something must be transferred between the two particles.
A crude analogy to help understand the particle transfer idea can be shown by using the
following situation.
Imagine two people on ice skates, on ice, standing directly opposite each other. One
person holds a heavy ball and throws the ball to the person opposite them. They catch the
ball and throw the ball back and this process is repeated many times.
a) Describe using a suitable sketch how this analogy helps explain the effect of an
exchange particle has between two particles.
b) Complete the partially drawn Feynman diagram below, Fig 6, of beta minus decay
and name all the particles.
Fig 6 - Feynman diagram for beta minus decay
n
e

Added by Ronald C.

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