Fourier Transform Spectroscopy of the O2 Herzberg Bands
Identifieur interne : 003E12 ( Main/Exploration ); précédent : 003E11; suivant : 003E13Fourier Transform Spectroscopy of the O2 Herzberg Bands
Auteurs : Alain Jenouvrier [France] ; Marie-France Mérienne [France] ; Bernard Coquart [France] ; Michel Carleer [Belgique] ; Sophie Fally [Belgique] ; Ann Carine Vandaele [Belgique] ; Christian Hermans [Belgique] ; Reginald Colin [Belgique]Source :
- Journal of Molecular Spectroscopy [ 0022-2852 ] ; 1999.
English descriptors
- KwdEn :
Abstract
The absorption spectra of the O2 Herzberg band systems (A3Σ+u–X3Σ−g, c1Σ−u–X3Σ−g, and A′ 3Δu–X3Σ−g) lying in the wavelength region 240–300 nm were reinvestigated. The coupling of a long absorption cell and a high-resolution Fourier transform spectrometer has allowed the observation of numerous weak lines which were not reported previously. From the rotational analysis of the line positions, determined with an accuracy of 0.005 cm−1, the molecular constants of the A3Σ+u, v = 0–12, c1Σ−u, v = 2–19, and A′ 3Δu, v = 2–12 levels are improved significantly. The interaction between the A and c states is described quantitatively. A new interpretation of the perturbations observed in the energy region close to the dissociation limit is given which involves a weakly bound 3Πu state as the most probable perturbing state.
Url:
DOI: 10.1006/jmsp.1999.7950
Affiliations:
- Belgique, France
- Champagne-Ardenne, Grand Est, Région de Bruxelles-Capitale
- Bruxelles, Reims
- Université libre de Bruxelles
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The coupling of a long absorption cell and a high-resolution Fourier transform spectrometer has allowed the observation of numerous weak lines which were not reported previously. From the rotational analysis of the line positions, determined with an accuracy of 0.005 cm−1, the molecular constants of the A3Σ+u, v = 0–12, c1Σ−u, v = 2–19, and A′ 3Δu, v = 2–12 levels are improved significantly. The interaction between the A and c states is described quantitatively. A new interpretation of the perturbations observed in the energy region close to the dissociation limit is given which involves a weakly bound 3Πu state as the most probable perturbing state.</div></front></TEI><affiliations><list><country><li>Belgique</li><li>France</li></country><region><li>Champagne-Ardenne</li><li>Grand Est</li><li>Région de Bruxelles-Capitale</li></region><settlement><li>Bruxelles</li><li>Reims</li></settlement><orgName><li>Université libre de Bruxelles</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Jenouvrier, Alain" sort="Jenouvrier, Alain" uniqKey="Jenouvrier A" first="Alain" last="Jenouvrier">Alain Jenouvrier</name></region><name sortKey="Coquart, Bernard" sort="Coquart, Bernard" uniqKey="Coquart B" first="Bernard" last="Coquart">Bernard Coquart</name><name sortKey="Merienne, Marie France" sort="Merienne, Marie France" uniqKey="Merienne M" first="Marie-France" last="Mérienne">Marie-France Mérienne</name></country><country name="Belgique"><region name="Région de Bruxelles-Capitale"><name sortKey="Carleer, Michel" sort="Carleer, Michel" uniqKey="Carleer M" first="Michel" last="Carleer">Michel Carleer</name></region><name sortKey="Colin, Reginald" sort="Colin, Reginald" uniqKey="Colin R" first="Reginald" last="Colin">Reginald Colin</name><name sortKey="Fally, Sophie" sort="Fally, Sophie" uniqKey="Fally S" first="Sophie" last="Fally">Sophie Fally</name><name sortKey="Hermans, Christian" sort="Hermans, Christian" uniqKey="Hermans C" first="Christian" last="Hermans">Christian Hermans</name><name sortKey="Vandaele, Ann Carine" sort="Vandaele, Ann Carine" uniqKey="Vandaele A" first="Ann Carine" last="Vandaele">Ann Carine Vandaele</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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