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Isotope shift of the 32S 1/2 -22S 1/2 transition in lithium and the nuclear polarizability
M Puchalski1, A M Moro, K Pachucki
1Institute of Theoretical Physics, Warsaw University, Hoza 69, 00-681 Warsaw, Poland.
Abstract:
High precision calculation of the isotope shift of the 3(2)S(1/2)-2(2)S(1/2) transition in lithium is presented. The wave function and matrix elements of relativistic operators are obtained by using recursion relations. Apart from the relativistic contribution, we obtain the nuclear polarizability correction for 11Li. The resulting difference of the squared charge radii 11Li-7Li based on the measurements of Sánchez et al. [Phys. Rev. Lett. 96, 033002 (2006)10.1103/PhysRevLett.96.033002] is deltar(ch)(2)=0.157(81) fm(2), which significantly differs from the previous evaluation.
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