2000
DOI: 10.1139/p00-038
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Anomalies and regularities in the broadening, shifting, and diffusion of D2 in D2 and D2-He mixtures

Abstract: Precise and accurate measurements of the Q branch lines of D 2 in D 2 and D 2 -He mixtures at several temperatures and low densities reveal a regular broadening at very low densities but only if allowance is made for departures from the soft-collision model. Above about 2 amagat the broadening becomes anomalous and is consistent with earlier observations. Because of the anomalies, a meaningful comparison between broadening and shifting coefficients and ab initio calculations was not possible. Diffusion constan… Show more

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Cited by 8 publications
(1 citation statement)
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“…Temperature and vibrational effects may further help to sort out the various mechanisms. A recent Raman study of self-and He-broadened D 2 (37) has also exhibited intermediate hard/soft Dicke-narrowing effects and might benefit from such a generalized multispectrum analysis.…”
Section: Discussionmentioning
confidence: 99%
“…Temperature and vibrational effects may further help to sort out the various mechanisms. A recent Raman study of self-and He-broadened D 2 (37) has also exhibited intermediate hard/soft Dicke-narrowing effects and might benefit from such a generalized multispectrum analysis.…”
Section: Discussionmentioning
confidence: 99%