The E2 admixtures in mixed multipole lines 459.7 and 564.0 nm of Bi I

Authors: Werbowy, S.; Kwela, J.

Source: Canadian Journal of Physics, Volume 87, Number 7, July 2009 , pp. 851-856(6)

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Abstract:

Studies of the M1-E2 interference effect in the Zeeman spectra of forbidden lines 459.7and 564.0nm of Bi I are reported. By the use of computer modelling techniques, the simulated contours were fitted to the recorded spectra to determine the electric-quadrupole admixture in forbidden lines. The E2 admixtures found are: (3.49± 0.35)% and (37.1± 1.8)% for 459.7and 564.0nm lines, respectively. Our results are compared with recent theories and other experiments.

Nous présentons une étude des interférences M1-E2 dans les spectres Zeeman des lignes interdites du Bi I à 459,7nm et 564,0nm. Par simulation numérique sur ordinateur, des contours simulés sont ajustés aux spectres enregistrés, de façon à déterminer la contribution quadripolaire électrique dans la ligne interdite. Nous trouvons des contributions E2 de 3,49± 0,35 % et de 37,1± 1,8% pour les lignes à 459,7nm et 564,0nm respectivement. Nous comparons nos résultats avec ceux d'autres travaux théoriques et expérimentaux.

Document Type: Research article

Publication date: 2009-07-01

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