A DIRECT DETERMINATION OF THE $^{1}\Delta-X^{3}\Sigma$ SEPARATION IN NH BY PHOTOELECTRON SPECTROMETRY OF $NH^{-}$

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1977

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Ohio State University

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The energy spectrum of electrons photodetached from NH− anions was obtained in a crossed ion-beam/laser-beam apparatus. This spectrum not only confirms the electron affinity of NH, but also provides a direct measurement of the A1Δ−X3Σ− separation, confirming the postulated assignment of an intercombination transition (1Σ+−3Σ−) recently observed by several $groups.^{1,2} $

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1A. Gilles, J. Masanet, and C. Vermeil, Chem. Phys. Lett. 25, 346 (1974). 2C. Zetsch and F. Stahl, Chem. Phys. Lett. 33, 375 (1975).


Author Institution: Department of Chemistry and Joint Institute of Laboratory Astrophysics, The University of Colorado

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http://hdl.handle.net/1811/10155

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1970-1979