Probability

Question 1

Probability for photoelectric effect (Z) = ?

Answer 1

Z^3

Question 2

Probability for photoelectric effect (E) = ?

Answer 2

1/E^3

Question 3

Probability for compton effect (Z) = ?

Answer 3

Doesn’t matter

Question 4

Probability for compton effect (E) = ?

Answer 4

1/E

Question 5

Probability for pair production (Z) = ?

Answer 5

Z^2

Question 6

Probability for pair production (E) = ?

Answer 6

E (only above 1.02 MeV)

Question 7

Probability for coherent scatter (Z) = ?

Answer 7

Z^2

Question 8

Probability for coherent scatter (E) = ?

Answer 8

1/E

Question 9

List the interactions where the photon is completely absorbed: (3)

Answer 9

Photoelectric
Pair Production
Photodisintegration

Question 10

List the interactions where the photon is not completely absorbed:

Answer 10

Compton

Question 11

In ___ (low or high?) energy photon compton interaction, the scattered photon get most of the energy, very little energy goes to the electron and there is a small change in direction.

Answer 11

Low

Question 12

In ___ (low or high?) energy photon compton interaction, the scattered photon get very little of the energy, most energy goes to the electron and there is a large change in direction.

Answer 12

High