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Radiative-lifetime and Lande-factor Measurements of the Se-i 4p(3)5s (5)s(2) Level Using Pulsed Laser Spectroscopy

Publiceringsår: 1992
Språk: Engelska
Sidor: 773-779
Publikation/Tidskrift/Serie: Journal de Physique II
Volym: 2
Nummer: 4
Dokumenttyp: Artikel i tidskrift
Förlag: Les Editions de Physique


First laser spectroscopic investigations on atomic selenium are reported. Natural selenium was thermally dissociated in a quartz resonance cell keeping the background pressure of abundant selenium molecules low by differential heating. The 4p35s5S2 level was excited by frequency-tripled pulsed-dye laser radiation at 207 nm. From time-resolved recordings of the fluorescence decay at 216 nm a natural radiative lifetime of 493(15) ns was determined, while quantum-beat and optical double-resonance measurements in an external magnetic field yielded g(J) = 2.0004(10) for the Lande factor. The results are compared with previous theoretical and experimental data.


  • Atom and Molecular Physics and Optics


  • ISSN: 1155-4312

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