Precision determination of the fine-structure splittings of the 5d and 6d states in potassium

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Abstract

The fine-structure splittings of the inverted 5 and 62D states of potassium were measured by observing level-crossing signals at high magnetic fields. TheD levels were populated using step-wise excitations, employing two CW tunable dye lasers. For the fine-structure intervals dW we find: dW (5d)= -15,102.0 (5) MHz anddW(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 of potassium2D states.

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Subject classification (UKÄ) – MANDATORY

  • Atom and Molecular Physics and Optics

Keywords

  • Physics and Astronomy
Original languageEnglish
Pages (from-to)303-309
JournalZeitschrift für Physik A Hadrons and Nuclei
Volume291
Issue number4
Publication statusPublished - 1979
Publication categoryResearch
Peer-reviewedYes