Abstract
A formalism for the full relativistic treatment of the polarizational bremsstrahlung formed in collision of a charged particle with a many-electron target is developed. The multipole series for amplitude and cross section are evaluated. The presented results of numerical computation of polarizational bremsstrahlung cross sections and angular distributions show the importance of the relativistic and higher-multipole effects in the case of relativistic collision with a high-Z target. The logarithmic growth of relativistic cross section with increasing incident energy is demonstrated. The calculations are performed on the basis of the nonrelativistic and relativistic algorithms and compared with each other and with available experimental data.
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