Hyperfine structure and isotope shift studies of rhenium by laser optogalvanic spectroscopy |
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Authors: | Ranjit Singh G N Rao R K Thareja |
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Affiliation: | (1) Department of Physics and Centre for Laser Technology, Indian Institute of Technology, 208 016 Kanpur, India |
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Abstract: | Doppler-limited high resolution laser optogalvanic spectra of six transitions of rhenium lying in the range 560–620 nm have been recorded. Isotope shifts between the two natural isotopes of rhenium,185Re and187Re, have been calculated in all the six transitions. Hyperfine coupling constants for eight levels belonging to the configurations 5d 56s 2, 5d 66s, 5d 46s 26p and 5d 56s6p are reported. Wherever possible our constants are compared with those given by others. |
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Keywords: | Hyperfine coupling constant isotope shifts laser optogalvanic spectra |
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