1: BACKGROUND MATERIAL

Question 1

What approximations can we make for a highly relativistic particle?

Answer 1

β ≈ 1 and E ≈ K ≈ pc&raquo_space; mc2

Question 2

What is a unified mass unit?

Answer 2

1/12 mass of 12C6

Question 3

Define rigidity

Answer 3

R = pc/Ze is the momentum per unit charge.

Question 4

What does it mean if a particle has higher rigidity?

Answer 4

Large momentum and/or a small charge. More difficult for a magnetic field to bend its path, resulting in a larger radius of curvature.

Question 5

If particles have the same rigidity, what else do they have that is the same?

Answer 5

Radius of curvature in a given B field