Titre du document

Applications of High Resolution Measurements of Optical Lifetimes

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Nom du Corpus

AstroConcepts

Auteur(s)
  • Peter Erman
Affiliation(s)
  • Research Institute for Physics, S-104 05, Stockholm 50, Sweden
Résumé

The introduction of narrow width dye lasers and high power electron excitation has enabled lifetime registrations at 0.05 Å FWHM resolution or better which has implied great progress in studies of complex atomic spectra and, in particular, molecular spectra. Thus several thousand optical lifetimes have been measured at high resolution at this laboratory using the High Frequency Deflection technique, which is a refinement of the high power electron excitation delayed-coincidence technique. Besides accurate lifetime and f-value determinations, the technique has been applied to studies of individual spin-orbit and ? components of molecular rotational levels and new properties have been discovered in fundamental molecules. Thus we have established that predissociation and preassociation effects are much more common than was earlier believed. Apart from the increased understanding of basic molecular properties this leads to specific applications, prominent among them being new possibilities of determining accurate dissociation energies and molecular formation rates.

Langue(s) du document
Anglais
Année de publication
1976
Revue

Beam-Foil Spectroscopy

Éditeur
Springer (e-books)
Type de publication
book
Type de document
chapter
Présence de XML structuré
Non
Version de PDF
1.4
Score de qualité du texte
8.8
Nom du concept
  • Astrochemistry
Identifiant ISTEX
EDFCE32FEB57D88AD999BB3F9FF7D84707FDA6F4
ark:/67375/HCB-5DL0HR33-D
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