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Table A.2.

Calculated atomic energy levels of Hydrogen (n = 4) vs experiment

level Coulomb /DKH Coulomb/DKH/mass experiment
4s 102880.164 102824.160 102823.853
4p 102880.240 102824.236 102823.882
4d 102880.283 102824.279 102823.903
4f 102880.299 102824.295 102823.914

Transition energies of hydrogen (in cm−1) from 1s to the n = 4 levels: theoretical levels including the DKH contribution (second column), theoretical levels with DKH contribution and finite proton mass correction (third column), and (2j + 1)-weighted averages of experimental terms (Kramida et al. 2020) (fourth column).

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