Ionization Potential of the Helium Atom
classification
⚛️ physics.atom-ph
keywords
alphaatomionizationpotentialalongcontributionseffectsevaluated
read the original abstract
Ground state ionization potential of the He^4 atom is evaluated to be 5 945 204 221 (42) MHz. Along with lower order contributions, this result includes all effects of the relative orders alpha^4, alpha^3*m_e/m_alpha and alpha^5*ln^2(alpha).
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