Laboratory measurements of the millimeter-wave spectrum of magnesium monoxide

Details Laboratory measurements of the millimeter-wave spectrum of magnesium monoxide Laboratory measurements of the millimeter-wave spectrum of magnesium monoxide

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...277l..21s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 277, Feb. 1, 1984, p. L21, L22. Research supported

Astronomy and Astrophysics

Astrophysics

10

Interstellar Matter, Magnesium Oxides, Microwave Spectra, Millimeter Waves, Molecular Spectra, Microwave Resonance, Optical Resonance, Optical Transition

Scientific paper

The experimental observation of three electric dipole transitions in the ground state and first excited vibrational state of MgO is reported. MgO was produced in a Broida-type oven, and spectra were obtained by microwave optical double resonance using a 4-sec time constant. The transitions and their frequencies (with errors corresponding to 80-percent confidence) are J = 0-1, v = 0, 34,290 + or - 1.5 MHz; J = 0-1, v = 1, 33.980 + or - 2.0 MHz; and J = 1-2, v = 1, 67.964 + or - 2.0 MHz. These observations are considered applicable to a radio search for MgO in the interstellar medium, for which a minimum detectable column density of about 10 to the 12th/sq cm is estimated.

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