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Rotational Spectra of the Χ2Σ+ states of CaH and CaD
- Authors
- Frum, C. I; 오정진; Cohen, E. A.; Pickett, H. M.
- Issue Date
- Jan-1993
- Publisher
- JPL Open Repository
- Keywords
- Calcium Compounds; Deuterium Compounds; Electron States; Interstellar Matter; Metal Hydrides; Rotational Spectra; Electron Transitions; Free Radicals; Hyperfine Structure; Atomic and Molecular Physics; ISM: MOLECULES; MOLECULAR DATA
- Citation
- The Astrophysical Journal, v.408, no.1, pp 1 - 14
- Pages
- 14
- Journal Title
- The Astrophysical Journal
- Volume
- 408
- Number
- 1
- Start Page
- 1
- End Page
- 14
- ISSN
- 0004-637X
1538-4357
- Abstract
- The rotational spectra of the 2Sigma(2+) ground states of calcium monohydride and monodeuteride have been recorded in absorption between 250 and 700 GHz. The gas phase free radicals have been produced in a ceramic furnace by the reaction of elemental calcium with molecular hydrogen or deuterium in the presence of an electrical discharge. The molecular constants including the rotational constant, centrifugal distortion constants, spin-rotation constants, and magnetic hyperfine interaction constants have been extracted from the spectra.
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