Specific mass shift of potassium 5P1/2 state |
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Authors: | LJS Halloran |
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Institution: | TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3 |
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Abstract: | We have measured the isotope shift between 41K and 39K in the 4s1/2 → 5p1/2 transition at 405 nm using saturation spectroscopy. Our measured isotope shift is 456.1 ± 0.8 MHz, implying a residual isotope shift (sum of specific mass shift and field shift) of −52.7 ± 0.8 MHz. We deduce a specific mass shift of −40 ± 5 MHz, which would imply that the 5p1/2 state has a considerably larger specific mass shift than the 4p1/2 state. We have in addition measured the 5p1/2 hyperfine splitting for 41K. |
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Keywords: | 32 10 &minus f 32 10 Fn 21 10 Ft |
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