Hyperfine Structure and Isomeric Shift of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Hg</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mn>9</mml:mn><mml:mn>9</mml:mn><mml:mi>m</mml:mi></mml:mrow></mml:msup></mml:mrow></mml:math>
TL;DRAbstract
The optical hyperfine structure and isotope shift in the 2537-\AA{} line have been investigated. Two of the three components have been observed and measured. The magnetic-dipole-splitting factor $A(^{3}P_{1})$ is -0.0771 \ifmmode\pm\else\textpm\fi{} 0.0005 ${\mathrm{cm}}^{\ensuremath{-}1}$ and the isotope shift $\ensuremath{\Delta}S(^{1}S_{0})$ is 0.112 \ifmmode\pm\else\textpm\fi{} 0.006 ${\mathrm{cm}}^{\ensuremath{-}1}$ with respect to ${\mathrm{Hg}}^{198}$. The shift indicates staggering toward the heavier even isotope. An explanation is given in terms of nuclear deformation.
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The optical hyperfine structure and isotope shift in the 2537-\AA{} line have been investigated. Two of the three components have been observed and measured. The magnetic-dipole-splitting factor $A(^{3}P_{1})$ is -0.0771 \ifmmode\pm\else\textpm\fi{} 0.0005 ${\mathrm{cm}}^{\ensuremath{-}1}$ and the isotope shift $\ensuremath{\Delta}S(^{1}S_{0})$ is 0.112 \ifmmode\pm\else\textpm\fi{} 0.006 ${\mathrm{cm}}^{\ensuremath{-}1}$ with respect to ${\mathrm{Hg}}^{198}$. The shift indicates staggering toward the heavier even isotope. An explanation is given in terms of nuclear deformation.
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