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Figure 2
Averaged Bragg-plane slope errors [\langle \sigma _{\theta}\rangle] (a) and normalized dispersions [\langle \Sigma _{\Delta\theta}\rangle] of the Bragg reflection widths (b) for the reference Si crystal in the 531 Bragg reflection measured and calculated as a function of the area-detector binning number N. The averaging is performed in one of three ways over 16 equal-sized 1 mm × 1 mm crystal's ROIs, over four 2 mm × 2 mm ROIs, or just calculated in one 4 mm × 4 mm ROI, as indicated by red, black and blue lines, respectively, in (a) and (b) and on the X-ray Bragg diffraction image in (c).

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