Field isotope shifts in the 3p<sup>5</sup>4p-3p<sup>5</sup>5d 604.3 nm transit argon I
F A Moscatelli; D E Murnick; R B Robinson; F A Moscatelli; Dept. of Phys., Swarthmore Coll., PA, USA; D E Murnick; Dept. of Phys., Swarthmore Coll., PA, USA; R B Robinson; Dept. of Phys., Swarthmore Coll., PA, USA
Журнал:
Journal of Physics B: Atomic, Molecular and Optical Physics
Дата:
1988-08-28
Аннотация:
The authors have measured the isotope shifts between <sup>36,38,49</sup>Ar I using Doppler-free intermodulated optogalvanic spectroscopy on the 4p-5d transition at 604.3 nm. A field shift which is 60% greater than that of a 4s-4p transition previously measured was observed. The large relative field shift in the case of an atom of such low Z is surprising and not yet explained by any calculation.
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