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The Impact‐Parameter Dependence of Energy Losses in Proton Scattering by Gold Atoms
Author(s) -
Iferov G. A.,
Zhukova Yu. N.
Publication year - 1982
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221100235
Subject(s) - atomic physics , proton , atom (system on chip) , range (aeronautics) , stopping power , scattering , radius , saturation (graph theory) , impact parameter , penetration depth , materials science , ion , physics , nuclear physics , optics , quantum mechanics , computer security , mathematics , combinatorics , computer science , composite material , embedded system
The energy losses of protons scattered by atoms of gold are measured in the impact‐parameter range of 0.4 ≦ ϱ/αTF ≦ 4.0 where α TF is the Thomas‐Fermi radius. If the penetration depth of a proton into the electronic shell of an atom increases, there occurs a peculiar saturation of the stopping power at ϱ/α TF ≧ 1 at the levels (0.35 ± 0.05), (0.45 ± 0.05), and (0.52 ± 0.05) keV/ atom for incident beam energies of 100, 200, and 400 keV, respectively.