1979
DOI: 10.1007/bf01408378
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Precision determination of the fine-structure splittings of the 5d and 6d states in potassium

Abstract: The fine-structure splittings of the inverted 5 and 6 2D states of potassium were measured by observing level-crossing signals at high magnetic fields. The D levels were populated using step-wise excitations, employing two CW tunable dye lasers. For the fine-structure intervals cSW we find: 6W(5d)=-15,102.0 (5) MHz and c~W(6d)=-7,965.8 (6) MHz. These values are about 100 times more accurate than previous results for these states. An expression is given, describing the fine-structure splittings in the sequence … Show more

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Cited by 4 publications
(1 citation statement)
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“…On the other hand, the splitting calculated from our experimental data is -9.6 X 10 cm ', which makes the net correction -9.8X10 cm '. Thus, the theoretical value is about 9 the experimenta 1 value. The interpretation of this discrepancy is a problem that will be left to the future.…”
Section: Methodsmentioning
confidence: 78%
“…On the other hand, the splitting calculated from our experimental data is -9.6 X 10 cm ', which makes the net correction -9.8X10 cm '. Thus, the theoretical value is about 9 the experimenta 1 value. The interpretation of this discrepancy is a problem that will be left to the future.…”
Section: Methodsmentioning
confidence: 78%