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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 5 — May. 1, 2005
  • pp: 1123–1127

Field isotope shifts in the 6 s 6 p and 4 f 5 d transitions from the 4 f 6 6 s 2 F J 7 ground multiplet of Sm I

Duck-Hee Kwon, Hyunmin Park, and Yongjoo Rhee  »View Author Affiliations


JOSA B, Vol. 22, Issue 5, pp. 1123-1127 (2005)
http://dx.doi.org/10.1364/JOSAB.22.001123


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Abstract

Multiconfiguration Dirac–Fock (MCDF) calculations are used to interpret the field shift contributions to isotope shifts of Sm I in visible and near-UV transition lines. The investigated lines correspond to the transitions between the ground configuration 4 f 6 6 s 2 and the excited configurations 4 f 6 6 s 6 p and 4 f 5 5 d 6 s 2 . For the 6 s 6 p transition the field shift is negative as a result of the reduced 6 s electron occupation, whereas for the 4 f 5 d transition the field shift is positive because of the decreased screening of 6 s and inner-shell electrons. MCDF calculations for the electron charge density at the origin that include the configuration mixing effect agree well with the electronic factor ratios derived from experimental data with the exception of a few cases of 6 s 6 p transitions.

© 2005 Optical Society of America

OCIS Codes
(020.3260) Atomic and molecular physics : Isotope shifts
(300.6320) Spectroscopy : Spectroscopy, high-resolution

Citation
Duck-Hee Kwon, Hyunmin Park, and Yongjoo Rhee, "Field isotope shifts in the 6s-6p and 4f-5d transitions from the 4f^6 6s^2 ^7F_J ground multiplet of Sm I," J. Opt. Soc. Am. B 22, 1123-1127 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-5-1123

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