Origin |
State Origin. |
Width |
Linewidth (rotation independent) for state. |
B |
Rotational constant. |
A |
Spin-orbit coupling constant. |
LambdaSS |
Spin - spin coupling constant (=1.5*ε). |
o |
Spin-spin coupling constant giving lambda doubling for Omega
= 0 states. |
theta |
Higher Order Spin-Spin interaction (S>=2 only). |
Gamma |
Spin rotation coupling constant. |
p |
Lambda doubling constant. |
q |
Lambda doubling constant. |
D |
Quartic centrifugal distortion. |
H |
Sextic centrifugal distortion. |
L |
J8 centrifugal distortion. |
M |
J10 centrifugal distortion. |
PP |
J12 centrifugal distortion. (Not P to avoid
confusion with p.) |
AD |
Centrifugal distortion of A. |
LambdaD |
Centrifugal Distortion of Lambda. |
LambdaH |
J^4 Centrifugal Distortion of Lambda. |
oD |
Centrifugal distortion of o. |
oH |
J4 Centrifugal distortion of o. |
oL |
J6 Centrifugal distortion of o. |
pD |
Centrifugal distortion of p. |
pH |
J6 Centrifugal distortion of p. |
pL |
J8 Centrifugal distortion of p. |
qD |
Centrifugal distortion of q. |
qH |
J6 Centrifugal distortion of q. |
qL |
J8 Centrifugal distortion of q. |
gammaD |
Centrifugal distortion of gamma. |
gammaH |
J6 Centrifugal distortion of gamma. |
gammaL |
J8 Centrifugal distortion of gamma. |