Beam maser double resonance measurements on HDO

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

High resolution measurements of hyperfine structure on the 2 20-221 transition of HDO were made with a two-cavity beam maser using the Ramsey method and using a new double resonance technique. Resonances for magnetic dipole transitions between hyperfine sublevels of the rotational states were detected by observing intensity changes in the two-cavity interference pattern for microwave rotational transitions. The linewidth (fwhm) for the magnetic dipole transitions was 1 kHz. This linewidth allows better effective resolution than the two-cavity Ramsey resonance when nozzle beams are used. Deuterium quadrupole coupling and spin-rotation interaction strengths were obtained. This double resonance technique should be useful for other small molecules, particularly for those cases where the data cannot be obtained from the microwave transitions.

Original languageEnglish (US)
Pages (from-to)4345-4348
Number of pages4
JournalThe Journal of Chemical Physics
Volume66
Issue number10
StatePublished - 1977

Fingerprint

Masers
masers
Linewidth
magnetic dipoles
Microwaves
cavities
Deuterium
microwaves
rotational states
Nozzles
hyperfine structure
nozzles
deuterium
quadrupoles
Molecules
interference
high resolution
molecules
interactions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Beam maser double resonance measurements on HDO. / Kukolich, Stephen G.

In: The Journal of Chemical Physics, Vol. 66, No. 10, 1977, p. 4345-4348.

Research output: Contribution to journalArticle

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