Radiative lifetimes and delayed laser-induced fluorescence spectra of cold SO2 were measured in the range 3000-3150 A in a differentially pumped collision-free supersonic beam. Lifetimes between 9 and 300 ps were obtained. We show the existence of high-density, low-intensity, and long-lifetime state
Lifetimes of electronically excited NO2 in a collision-free differentially pumped supersonic molecular beam
โ Scribed by Ori Chesnovsky; Aviv Amirav
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 494 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
The lifetimes of rotationally cooled NO, were measured in the spectral region 5710-5960 A in a differentially pumped collision-free supersonic molecular beam. Lifetime values (rotationally independent) between 75 and 260 ps were obtained.
Over narrow spectral regions, the product of the fluorescence aznpiitude and the lifetime squared is vibrationally independent, as prcdicrcd by theory.
' A Batsheva de Rothschild Fellow.
๐ SIMILAR VOLUMES
-0) subbands at 4641 and 445.6 nm are idenlified in the fluorescence exciralion specua or NO, roIa1ionally cooled in a supersonic jet. The origins of both bands agree well with a calculakm based on rhe theory of Ihe Renner-Teller effect. and the Mbrarional signmenu ui = 14 and 16 are given IO the up