High precision atomic theory for Li and Be+: QED shifts and isotope shifts.
Phys Rev Lett
; 100(24): 243002, 2008 Jun 20.
Article
en En
| MEDLINE
| ID: mdl-18643580
High-precision results are presented for calculations of the nonrelativistic energies, relativistic corrections, and quantum electrodynamic corrections for the 2 2S, 2 2P, and 3 2S states of Li and Be+, using nonrelativistic wave functions expressed in Hylleraas coordinates. Bethe logarithms are obtained for the states of Be+. Finite mass corrections are calculated with sufficient accuracy to extract the nuclear charge radius from measurements of the isotope shift for the 2 2S-2 2P and 2 2S-3 2S transitions. The calculated ionization potential for Be+ is 146 882.923+/-0.005 cm{-1}.
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MEDLINE
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En
Revista:
Phys Rev Lett
Año:
2008
Tipo del documento:
Article
Pais de publicación:
Estados Unidos