TitleComputational Methods for Electron???Molecule Collisions
Author(s)Gianturco, Franco A;Huo, W.M
PublicationNew York, NY, Springer US, 1995.
DescriptionXVI, 364 p : online resource
Abstract NoteThe collision of electrons with molecules and molecular ions is a fundamental pro?? cess in atomic and molecular physics and in chemistry. At high incident electron en?? ergies, electron-molecule collisions are used to deduce molecular geometries, oscillator strengths for optically allowed transitions, and in the case of electron-impact ionization, to probe the momentum distribution of the molecule itself. When the incident electron energy is comparable to or below those of the molecular valence electrons, the physics involved is particularly rich. Correlation and exchange effects necessary to describe such collision processes bear a close resemblance to similar efft:cts in the theory of electronic structure in molecules. Compound state formations, in the form of resonances and vir?? tual states, manifest themselves in experimental observables which provide details of the electron-molecule interactions. Ro-vibrational excitations by low-energy electron collisions exemplify energy transfer between the electronic and nuclear motion. The role of nonadiabatic interaction is raised here. When the final vibrational state is in the continuum, molecular dissociation occurs. Dissociative recombination and dissociative attachment are examples of such fragmentation processes. In addition to its fundamental nature, the study of electron-molecule collisions is also motivated by its relation to other fields of study and by its technological appli?? cations. The study of planetary atmospheres and the interstellar medium necessarily involve collision processes of electrons with molecules and molecular ions
Keyword(s)1. Atomic, Molecular, Optical and Plasma Physics 2. ATOMS 3. EBOOK 4. EBOOK - SPRINGER 5. Heavy ions 6. MATHEMATICAL PHYSICS 7. NUCLEAR PHYSICS 8. Nuclear Physics, Heavy Ions, Hadrons 9. PHYSICS 10. Theoretical, Mathematical and Computational Physics
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