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Computational Methods for Electron-Molecule Collisions

Name: Computational Methods for Electron-Molecule Collisions
Brand: Springer-Verlag New York Inc.
SKU: 9781475797992
Price: 827.16 RON
Availability: InStock

Autor: Franco A. Gianturco, W.M. Huo

Limbă:

Legare: Carte broșată

Editura: Springer-Verlag New York Inc.

Disponibilitate: În depozitul extern

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827.16 lei

The collision of electrons with molecules and molecular ions is a fundamental pro cess in atomic and...

Informații despre carte

Autor

Franco A. Gianturco, W.M. Huo

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2013

Pagini

364

EAN

9781475797992

ISBN

1475797990

Enbook ID

02254326

Editura

Springer-Verlag New York Inc.

Greutate

728

Dimensiuni

178 x 254 x 21

Descriere completă

The 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.