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Molecular processes in comets. [dissociation of oh in cometary atmospheres and interstellar gas]
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Dalgarno, A. |
| Copyright Year | 1982 |
| Description | Potential energy curves for the two lowest 2 sigma- states of OH are computed at the configuration-interaction level using four different basis sets. Electronic transition dipole moments connecting the excited 1 2 sigma- and 2(D) 2 sigma- states with each other and with he ground X2pi state are presented as functions of internuclear distance. The theoretical absorption oscillator strengths for the D 2 sigma-(v prime=0) reverser to X 2pi (v prime prime=0) transition are in good agreement with the empirical value derived from astronomical measurements. The photodissociation cross sections for absorption rom the v prime prime=0,1, and levels of the ground state into the continuum of the 1 2 sigma- state are calculated, and the interstellar and cometary photodissociation rates are derived. |
| File Size | 3800918 |
| Page Count | 52 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19830006973 |
| Archival Resource Key | ark:/13960/t2r54g063 |
| Language | English |
| Publisher Date | 1982-12-01 |
| Access Restriction | Open |
| Subject Keyword | Lunar And Planetary Exploration Potential Energy Cometary Atmospheres Electron States Hydroxyl Radicals Dipole Moments Excitation Electron Transitions Photodissociation Molecular Energy Levels Absorption Cross Sections Interstellar Gas Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
