Parity of two body system

  • #1
physics_fun
28
0
I'm confused about how parities 'add up'.
(I'm using the shell model of a nucleus)
If you have e.g.a neutron in a d state (so l=2) and one in a p state (l=1), what is the parity of the total system? Do you have to multiply (+1*-1=-1?) or add the l values or something completely different?
 

Answers and Replies

  • #2
eys_physics
268
72
Hey
The parity [tex]\pi[/tex] for a state is [tex](-1)^{l}[/tex] The total parity is
[tex]\pi_{1}*\pi_{2}[/tex] or
[tex](-1)^{l_{1}+l_{2}}[/tex]
 
  • #3
physics_fun
28
0
Thanks!:smile:
 
  • #4
malawi_glenn
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Yes, parities are multiplied.
 

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