Polarization Bremsstrahlung of a fast charged particle, colliding with a Thomas-Fermi atom

In terms of the method of the local electron density and of the Thomas-Fermi statistical model one derived a general-purpose description of Bremsstrahlung of a fast charged particle in a multielectron atom. It is shown that the process cross section may be presented in function form with the approximated scaling as to ω/Z parameter, while a respective R-factor (ratio of cross sections as to polarization and typical channels) excesses 1 within frequency wide range. Narrowing of angular distribution of polarization Bremsstrahlung of a relativistic charged particle resulting from compensation of pulse transmitted to an atomic frame from incident particle at the expense of the pulse of the emitted photon is demonstrated