Photon-photon interaction in axial channeling

We investigate the possibility that high-energy photons are channeled, when passing through an oriented single crystal, due to Delbrück scattering. For this purpose the exact electron propagator for the single-string mod
We investigate the possibility that high-energy photons are channeled, when passing through an oriented single crystal, due to Delbrück scattering. For this purpose the exact electron propagator for the single-string model is constructed. Starting from a separation of variables, we solve the Dirac equation for a cylindrical electrostatic potential. The propagator for such external fields is constructed from solutions of the radial Dirac equation. This propagator is applied to a calculation of the S matrix for Delbrück scattering. We specify the conditions under which photon channeling takes place. Unfortunately these conditions are only matched for a very small fraction of those photons being produced by channeled electrons.
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Metadaten
Author:J. Klenner, Jürgen Augustin, Andreas Schäfer, Walter Greiner
URN:urn:nbn:de:hebis:30-29944
Document Type:Article
Language:English
Date of Publication (online):2006/07/12
Year of first Publication:1994
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/07/12
Source:Physical Review A 50(2), S. 1019-1026 (1994), ©1994 The American Physical Society, http://link.aps.org/abstract/PRA/v50/p1019
HeBIS PPN:265685664
Institutes:Physik
Dewey Decimal Classification:530 Physik
PACS-Classification:03.65.Pm Relativistic wave equations
12.20.Ds Specific calculations
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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