Abstract
We calculate the unpolarized triply differential cross section of bremsstrahlung from atoms with atomic number Z=13 and 79 for incident electrons of kinetic energy ${T}_{1}$=50 and 140 keV. It is an exact numerical nonrelativistic calculation in a partial-wave formulation. Our results show that the screening effect is important in the high-Z cases, as the behavior of angular distributions of recoiled electrons. When the Coulomb parameter is large, the nonrelativistic Born approximation is not good, as expected. Comparisons of our partial-wave results with experimental results of Faulk and Quarles [Phys. Rev. A 9, 732 (1974)] show large discrepancies.
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