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Bremsstrahlung of fast charged particles on clusters in a wide spectral range

  • Atoms, Molecules, Optics
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Abstract

Within the framework of the first Born approximation and a simple model of the structural factor, the bremsstrahlung of fast charged particles on polyatomic clusters is calculated and analyzed with regard to the polarization mechanism in a wide spectral range including a domain of high frequencies. The role of cooperative phenomena in the static and polarization channels of bremsstrahlung is investigated. It is established that these phenomena, being negligible for static bremsstrahlung, substantially influence the polarization bremsstrahlung. It is shown that the constructive interference between the contributions of the atoms of a cluster to the polarization bremsstrahlung substantially increases its intensity and changes its dependence on the basic parameters of the problem compared with the case of bremsstrahlung on an isolated atom.

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Authors and Affiliations

  1. Moscow Institute of Physics and Technology, Dolgoprudnyi, Moscow oblast, 141700, Russia

    V. A. Astapenko

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  1. V. A. Astapenko
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 128, No. 1, 2005, pp. 88–94.

Original Russian Text Copyright © 2005 by Astapenko.

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Astapenko, V.A. Bremsstrahlung of fast charged particles on clusters in a wide spectral range. J. Exp. Theor. Phys. 101, 73–79 (2005). https://doi.org/10.1134/1.2010663

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  • DOI: https://doi.org/10.1134/1.2010663

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