Mass- and field-shift isotope parameters for the 2s-2p resonance doublet of lithium-like ions.

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Mass- and field-shift isotope parameters for the 2s-2p resonance doublet of lithium-like ions.

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Publication Article, peer reviewed scientific
Title Mass- and field-shift isotope parameters for the 2s-2p resonance doublet of lithium-like ions.
Author(s) Li, Jiguang ; Naze, Cedric ; Godefroid, Michel ; Fritzsche, Stephan ; Gaigalas, Gediminas ; Indelicato, Paul ; Jönsson, Per
Date 2012
English abstract
It was recently shown that dielectronic recombination measurements can be used for accurately inferring changes in the nuclear mean-square charge radii of highly charged lithiumlike neodymium [ Brandau et al. Phys. Rev. Lett. 100 073201 (2008)]. To make use of this method to derive information about the nuclear charge distribution for other elements and isotopes, accurate electronic isotope shift parameters are required. In this work, we calculate and discuss the relativistic mass- and field-shift factors for the two 2s 2S1/2-2p 2P1/2,3/2o transitions along the lithium isoelectronic sequence. Based on the multiconfiguration Dirac-Hartree-Fock method, the electron correlation and the Breit interaction are taken into account systematically. The analysis of the isotope shifts for these two transitions along the isoelectronic sequence demonstrates the importance and competition between the mass shifts and the field shifts.
DOI http://dx.doi.org/10.1103/PhysRevA.86.022518 (link to publisher's fulltext)
Publisher Americal Physical Society
Host/Issue Physical Review A;2
Volume 86
ISSN 1050-2947
Pages 7 (022518)
Language eng (iso)
Subject(s) Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/14617 (link to this page)

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