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Reviews of topical problems


Quantum electrodynamics processes in the interaction of high-energy particles with atoms

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Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Lavrenteva 11, Novosibirsk, 630090, Russian Federation

The recently developed method of employing quasiclassical Green's functions in solving the Dirac equation for various external field configurations has provided a breakthrough insight into the fundamental quantum electrodynamics processes whereby high-energy particles interact with atoms. This paper reviews recent results, exact in the atomic field parameters, on the cross sections for the electron-positron high-energy photoproduction, the single bremsstrahlung cross section for relativistic electrons and muons in the atomic field, double bremsstrahlung cross sections, etc. In many cases, the calculations are performed in the quasiclassical approximation with the inclusion of the first-order quasiclassical correction.

Text can be downloaded in Russian. English translation is available here.
Keywords: quantum electrodynamics, strong field, photoproduction, bremsstrahlung
PACS: 12.20.Ds, 32.80.−t (all)
DOI: 10.3367/UFNe.2016.03.037743
URL: https://ufn.ru/en/articles/2016/7/a/
Citation: Krachkov P A, Lee R N, Mil’shtein A I "Quantum electrodynamics processes in the interaction of high-energy particles with atoms" Phys. Usp. 59 619–641 (2016)
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Received: 21st, January 2016, 12th, March 2016

Оригинал: Крачков П А, Ли Р Н, Мильштейн А И «Процессы квантовой электродинамики при взаимодействии частиц высокой энергии с атомами» УФН 186 689–711 (2016); DOI: 10.3367/UFNr.2016.03.037743

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