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# HIGH RESOLUTION INTRACAVITY LASER SPECTRA OF NICKEL HYDRIDE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/31511

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 Title: HIGH RESOLUTION INTRACAVITY LASER SPECTRA OF NICKEL HYDRIDE Creators: Shaji, Sadasivan; O'Brien, James J.; Nunn, Joshua; Li, Moyang; Song, Alex; O'Brien, L. C. Issue Date: 2007 Abstract: The visible electronic spectrum of the nickel hydride (NiH) is recorded with rotational resolution by intracavity laser absorption spectroscopy (ILS). A dye laser based ILS system is used to record the spectra. 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. Transitions are observed from the v=0 X $^{2}\Delta_{5/2}$ state to various vibrational levels of several excited states, including the A $^{2}\Delta_{5/2}$, B $^{2}\Delta_{5/2},$^{2}\Delta_{3/2},$and$^{2}\Phi_{7/2}\$ states. Peak positions for the NiH isotopomers will be presented for transitions involving these levels. URI: http://hdl.handle.net/1811/31511 Other Identifiers: 2007-TA-07