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OPTICAL STARK SPECTROSCOPY OF NICKLE MONOHYDRIDE, NiH\thanks{Supported by NSF(TCS-ASU).}

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/33410

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Title: OPTICAL STARK SPECTROSCOPY OF NICKLE MONOHYDRIDE, NiH\thanks{Supported by NSF(TCS-ASU).}
Creators: Steimle, Timothy C.; Chen, Jinhai
Issue Date: 2008
Abstract: Sometimes ago the MIT group analyzed the Doppler limited optical Stark Spectrum for the $B^{2}\Delta_{5/2}$-$X^{2}\Delta_{5/2}$(1,0) $Q$(2.5) line of NiH to determine the permanent electric dipole moments, $nu$, of 2.4$\pm$0.1 D and 0.3$\pm$0.1 D for the $X^{2}\Delta_{5/2}$ and $B^{2}\Delta_{5/2}$ states, respectively.}\ The ground state value of $nu$ is routinely predicted to assess the quality of electronic structure predictions.}\ In an effort to reduce the uncertainty in the experimental value of $nu$ we have analyzed the optical Stark spectrum of the $Q$(2.5) and $P$(3.5) of a molecular beam sample. A molecular beam was generated by skimming the output of a laser ablation/supersonic expansion. The dipole moments were determined to be 2.44$\pm$0.02 D and 0.36$\pm$0.02 D for the $X^{2}\Delta_{5/2}$ and $B^{2}\Delta_{5/2}$ states, respectively. The observed trends in the $nu$ value for the ground state of the first row transition metal monohydrides will be rationalized.
URI: http://hdl.handle.net/1811/33410
Other Identifiers: 2008-MF-09
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