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Figure 5
(a) Total scattering cross section σ at 200 keV for a few values of np over a range of normalized radii ka. The dark blue curve shows the location of the carbon spherical shells. (b) Shape of the scattering amplitude for normalized radius. The green curves correspond to ka = 3 and potential's strength np = 1.1. The blue curves correspond to ka = 10, np = 1.02 which is one of the carbon shells. Dashed lines show the Born approximation and dashed–dotted lines show the phase grating approximation used in MS. The Born approximation is very good for the carbon data point used.

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ISSN: 2053-2733
Volume 79| Part 2| March 2023| Pages 180-191
https://doi.org/10.1107/S2053273322011779
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