Advances in Electronics and Electron Physics, Vol. 57 by Claire Marton (Ed.)

By Claire Marton (Ed.)

Show description

Read Online or Download Advances in Electronics and Electron Physics, Vol. 57 PDF

Best physics books

Transport Processes in Wood

This publication has an analogous topic content material to the author's prior move in wooden yet with massive updating as a result of abundance of analysis within the wooden technology box considering 1971. numerous diversified innovations were brought, relatively in regard to wood-moisture relation­ ships. The position of water power within the equilibria among wooden and its humid and wet environments is taken into account.

Extra info for Advances in Electronics and Electron Physics, Vol. 57

Sample text

This proposal was criticized by Derkits et al. (1979) who claimed that Zhdanov and Chibisov overestimated the role of (la,)(nl) repulsive Rydberg states by neglecting their autonionization. Derkits et al. (1979) estimated that such states c;ould only contribute at most about 8 x lo-’’ cm2 to the cross section and then only for electrons with energies well above 3 eV. (1975). The excellent agreement implies that repulsive Rydberg states must be included in future calculations of the dissociative recombination of hydrogen.

One can only say that dissociative attachment by halogens is not well understood. The hydrogen halides are somewhat better understood, but the interpretation of some details of their dissociative attachment cross sections are controversial. The process was recognized and accepted at least from the work of Fox (1957);theearly work demonstrated that e HX gives H X-. C1 can also be produced from e HCl Later it was shown that H(Buchel'nikova, 1959). , 1975),essentially at their thermodynamic thresholds.

2 eV. The process H 3 + e has been treated theoretically only very recently by Kulander and Guest (1979). For electron energies a little above 1 eV, they expect the products to be H(n = 2) H, in its vibrationless ground state. 41 eV. At the very lowest energies, they predict the products to be three hydrogen atoms. , 1980),and Rydberg states of H 3 and D, (Herzberg, 1979),we can expect a still more refined theoretical analysis of this recombination process. Cross sections for larger clusters of hydrogen around a proton have not been studied, but thermal rate coefficients have been studied for H,+ e.

Download PDF sample

Rated 4.67 of 5 – based on 46 votes