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|Title:||Theoretical Studies of Spectroscopic Properties of the Cm+4 and Am+3|
|Authors:||GAIGALAS G.; GAIDAMAUSKAS E.; RUDZIKAS Z.; MAGNANI Nicola; CACIUFFO Roberto|
|Citation:||PHYSICAL REVIEW A vol. 79 p. 022511-1 022511-8|
|Publisher:||AMER PHYSICAL SOC|
|JRC Publication N°:||JRC50625|
|Type:||Articles in Journals|
|Abstract:||In this paper we report on large-scale multiconfiguration Hartree-Fock and multiconfiguration Dirac-Fock calculations of the fine structures of the Cm4+ and Am3+ ions, both having nominal 5f6 electronic configuration. Correlation effects play an extremely important role for both considered ions, and the single-configuration model is proved to be unfit to account for this complex picture. A comparison of the calculated energy levels with the results of spectroscopic measurements shows that theory and experiment are in quantitatively good agreement; the ground state of both ions is predicted to have nonmagnetic character. The accuracy of the results is estimated and discussed.|
|JRC Institute:||Institute for Transuranium Elements|
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