Lecture 6

Question 1

what is spin direction?

Answer 1

projection of the spin vector along a given axis, usually z

Question 2

What is helicity?

Answer 2

projection of the spin direction along the direction of travel

Question 3

spin along the direction of motion, right or left handed?

Answer 3

right handed

Question 4

spin opposite the direction of motion: right or left handed?

Answer 4

left handed