Observation of the 4f 3dσ transition of the ArH molecule
The emission spectrum of ArH contains a band near 10 110 cm1 that appears to be the analogue of the 3dσ 4p, v = 0 0, band of ArD, observed and analysed near 10 230 cm1. However, previous attempts to assign the rotational structure of this band of ArH were unsuccessful. Here we observe and analyse the 4f 3dσ band of ArH near 4400 cm1, and are then able to calculate the rotational structure of the 3dσ 4p transition entirely from known data. The observed band is similar but not identical to the calculated band. We speculate that the observed spectrum is a v v sequence band of 3dσ 4p, where the v [Formula: see text] 0 upper state is populated through some mechanism peculiar to this isotopomer. PACS No.: 33.20
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1961 ◽
Vol 6
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pp. 319-332
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1991 ◽
Vol 21
(2)
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pp. 200-202
1979 ◽
Vol 44
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pp. 349-355