Download Computational Methods for Electron—Molecule Collisions by Franco A. Gianturco,W.M. Huo PDF

By Franco A. Gianturco,W.M. Huo

The collision of electrons with molecules and molecular ions is a primary professional­ cess in atomic and molecular physics and in chemistry. At excessive incident electron en­ ergies, electron-molecule collisions are used to infer molecular geometries, oscillator strengths for optically allowed transitions, and in terms of electron-impact ionization, to probe the momentum distribution of the molecule itself. while the incident electron power is analogous to or under these of the molecular valence electrons, the physics concerned is very wealthy. Correlation and trade results essential to describe such collision procedures endure a detailed resemblance to comparable efft:cts within the thought of digital constitution in molecules. Compound nation formations, within the type of resonances and vir­ tual states, happen themselves in experimental observables which supply info of the electron-molecule interactions. Ro-vibrational excitations through low-energy electron collisions exemplify power move among the digital and nuclear movement. The function of nonadiabatic interplay is raised the following. whilst the ultimate vibrational nation is within the continuum, molecular dissociation happens. Dissociative recombination and dissociative attachment are examples of such fragmentation techniques. as well as its basic nature, the examine of electron-molecule collisions is additionally stimulated via its relation to different fields of research and by way of its technological appli­ cations. The research of planetary atmospheres and the interstellar medium unavoidably contain collision procedures of electrons with molecules and molecular ions.

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