High-energy electroproduction in an atomic field
P. A. Krachkov, A. I. Milstein
TL;DR
This paper derives the differential cross section for high-energy electroproduction in atomic fields, highlighting significant Coulomb corrections that alter the results and introduce azimuth asymmetry for polarized electrons.
Contribution
It provides an exact account of atomic field effects using quasiclassical approximation, improving upon the Born approximation for high-energy electroproduction.
Findings
Coulomb corrections significantly modify the differential cross section.
Coulomb corrections induce azimuth asymmetry for polarized electrons.
Leading logarithmic approximation for total cross section corrections.
Abstract
The differential cross section of high-energy electroproduction in the electric field of heavy atoms is derived. The result is obtained with the exact account of the atomic field by means of the quasiclassical approximation to the wave functions in the external field. The Coulomb corrections substantially modify the differential cross section compared with the Born result. They lead to the azimuth asymmetry in the differential cross section for the polarized incoming electron. The Coulomb corrections to the total cross section are obtained in the leading logarithmic approximation.
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