Authors:
Beigman, IL
Vainshtein, LA
Brix, M
Pospieszczyk, A
Bray, I
Fursa, DV
Ralchenko, YV
Citation: Il. Beigman et al., Excitation and ionization cross sections for He I from normalized born andK-matrix calculations: Delta S = 0 transitions from n = 2, 3 excited states, ATOM DATA N, 74(1), 2000, pp. 123-153