Isotope shift in chromium
2005
Abstract Thirty-three spectral lines of chromium atom in the blue-violet region (425–465 nm) have been investigated with the method of laser-induced resonance fluorescence on an atomic beam. For all the lines, the isotope shifts for every pair of chromium isotopes have been determined. The lines can be divided into six groups, according to the configuration of the upper and lower levels. Electronic factors of the field shift and the specific mass shift ( F ik and M ik SMS , respectively) have been evaluated and the values for each pure configuration involved have been determined. Comparison of the values F ik and M ik SMS to the ab initio calculations results has been performed. The presence of crossed second order (CSO) effects has been observed.
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