Deformed nucleus
$$ R(\theta, \phi) = R_0 \left(1 + \alpha_{00} + \sum^\infty_{\lambda=1} \sum^\lambda_{\mu=-\lambda} \alpha^*_{\lambda \mu} Y_{\lambda \mu} (\theta, \phi)\right)$$
Radius
R
0
:
1
Deformation parameters
α
00
:
0
α
10
:
0
α
20
:
0
α
30
:
0