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Ionization Potential of the Helium Atom

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Publication date
1 January 2001
Publisher
'American Physical Society (APS)'
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    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).Comment: 4 page

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