Simulation of channeling and radiation of 855MeV electrons and positrons in a small-amplitude short-period bent crystal

Simulation of channeling and radiation of 855MeV electrons and positrons in a small-amplitude short-period bent crystal

Channeling and radiation are studied for the relativistic electrons and positrons passing through a Si crystal periodically bent with a small amplitude and a short period. Comprehensive analysis of the channeling process for various bending amplitudes is presented on the grounds of numerical simulat...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2016-11, Vol.387, p.41-53
Hauptverfasser: Korol, Andrei V., Bezchastnov, Victor G., Sushko, Gennady B., Solov’yov, Andrey V.
Format: Artikel
Sprache:eng
Schlagworte:
Amplitudes
Approximation
Channeling
Computer simulation
Crystals
De-channeling length
Mathematical analysis
Periodically bent crystal
Positrons
Radiation spectra
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Beschreibung
Zusammenfassung:Channeling and radiation are studied for the relativistic electrons and positrons passing through a Si crystal periodically bent with a small amplitude and a short period. Comprehensive analysis of the channeling process for various bending amplitudes is presented on the grounds of numerical simulations. The features of the channeling are highlighted and elucidated within an analytically developed continuous potential approximation. The radiation spectra are computed and discussed.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2016.09.021