DIRECT OBSERVATION OF ORTHO-PARA TRANSITIONS IN METHANE. 15 min.

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1970

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Ohio State University

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Ortho-para transitions have been observed directly in $CH_{4}$ for the first time. These normally forbidden transitions were observed in the ground electronic, ground vibrational, and J = 2 rotational state by combining a simple level-crossing technique with the conventional molecular beam magnetic-resonance method. It is shown how this spectrum can be used to measure, for certain tetrahedral molecules, the interaction constants which appear in the Zeeman, nuclear-hyperfine and rotational-distortion Hamiltonians.

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This research was supported in part by the National Science Foundation and the U.S. Office of Naval Research. Presdent address of P. N. Yi DePaul University, Chicago, Ill.""
Author Institution: Science Center, North American Rockwell Corporation; Lyman Laboratory of Physics, Harvard University

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http://hdl.handle.net/1811/8407

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1970-1979