A.3 RBB Transitions

V~ -- 2 s = ---pe---fij-e -(Dn/DnD)2 ij mec DnD

---------- n0 2kT DnD = -- V~ --------- c mAT OM

1 input parameter: f_ij

V~ pe2 f sij = ---------ij-H(a, v) mec DnD

---G----- Dn---- a = , v = , G = Glow + Gup 4pDnD DnD

2 input parameters: f_ij,

_ij like in A.3.2, but:

G = G + G rad St

( up 2)2 -5-ne-- neff-- GSt = 6.11 .10 V~ -- z cf.Cowley T

3 input parameters: f_ij,

_rad,

[ ] s = max sF ormel 3,sSt ij ij ij

0.0368 .Zf ( DnZ .1.385 ) sSitj = -------------ijU -------------- snzMikro snzMikro

srmn = {nup (nup - 1) + nlow (nlow - 1)}

2 [NI sum ON 3 ]3 zMikro = Zi 2 .ni i=1

6 input parameters: f_ij,

_rad,

², Z, n_low, n_up

like formula 3