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Proceedings Paper

Nuclear spin conversion in molecules induced by hyperfine interactions
Author(s): P. L. Chapovsky
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Paper Abstract

In this paper the role of hyperfine interactions in molecular ortho-para conversion is considered. The main experimental results in the CH3F spin conversion are briefly described. The general theory of nuclear spin conversion in molecules based on intramolecular ortho-para state mixing is given. Two types of ortho-para state mixing are taken into account: the spin-spin interaction between molecular nuclei and the spin-rotation interaction. The level-crossing spectra for the spin conversion in 13CH3F and 12CH3F molecules are calculated for an electric field range of 0 - 104 V/cm. The spin conversion spectrum, discussed here, is an example of a new type of Doppler-free spectroscopy.

Paper Details

Date Published: 3 March 1997
PDF: 11 pages
Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); doi: 10.1117/12.267735
Show Author Affiliations
P. L. Chapovsky, Institute of Automation and Electrometry (Russia)
Leiden Univ. (Netherlands)

Published in SPIE Proceedings Vol. 3090:
12th Symposium and School on High-Resolution Molecular Spectroscopy
Leonid N. Sinitsa; Yurii N. Ponomarev; Valery I. Perevalov, Editor(s)

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