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Collisionally induced hyperfine-structure transitions of OH
Chu, Shih-I
Chu, Shih-I
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Abstract
The theory of excitation of the internal structures of OH by electron or heavy-particle impact is formulated within the quantum-mechanical close-coupling approximation, incorporating spin-orbit and hyperfine interactions. In the case of electron impact, explicit Born formulae are derived and the selection rules are discussed for the dipole- and the quadrupole-induced transitions. Numerical results are reported for the electron excitation cross sections of the hyperfine-structure transitions among the lower-lying rotational ladders of two states.
Description
This is the published version, also available here: http://dx.doi.org/10.1086/154422.
Date
1976-06-01
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Publisher
American Astronomical Society
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Keywords
Electron Impact, Electron Transitions, Hydroxyl Emission, Hyperfine Structure, Molecular Excitation, Scattering Cross Sections, Born Approximation, Electron Scattering, Graphs (Charts), Quadrupoles, Transition Probabilities
Citation
Chu, Shih-I. "Collisionally induced hyperfine-structure transitions of OH" Astrophysical Journal, vol. 206, June 1, 1976, pt. 1, p. 640-651. http://dx.doi.org/10.1086/154422.