

Author: Shaji Sadasivan Song Alex Li Moyang O’Brien James J. O’Brien Leah C.
Publisher: NRC Research Press
ISSN: 1208-6045
Source: Canadian Journal of Physics, Vol.87, Iss.5, 2009-05, pp. : 583-587
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Abstract
The (2,0) band of the B2Δ5/2-X2Δ5/2 transition has been recorded with rotational resolution using intracavity laser absorption spectroscopy. The gas phase NiH molecules were produced in an electric discharge using a nickel hollow cathode in a pure hydrogen atmosphere at 2–3 torr total pressure. Peak positions for the NiH isotopologues are presented for these transitions. Large isotopologue splittings are observed for B2Δ5/2-X2Δ5/2 (2,0) transitions. A strong perturbation is observed in the excited state at
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