Physics – Atomic Physics
Scientific paper
2010-11-11
Phys. Rev. A 82, 062702 (2010)
Physics
Atomic Physics
Scientific paper
The leading-order electron-atom bremsstrahlung is investigated within the rigorous relativistic approach based on the partial-wave representation of the Dirac wave functions in the external atomic field. Approximating the atomic target by an effective local potential, we calculate the double-differential cross section and the polarization correlations in a wide range of the impact energies. Connection between the bremsstrahlung at the hard-photon end point of the spectrum and the continuum-threshold limit of the radiative recombination is studied. A detailed analysis of the screening effect and the energy dependence of the polarization correlations is presented, with the main focus on the high impact energy region.
Surzhykov Andrey
Yerokhin Vladimir A.
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