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Figure 2
Crystal orientations [\hat {\bf G}] that fulfill the Laue–Bragg condition, projected into the [\hat{\bf e}_x,\hat{\bf e}_y] plane, form ellipses. The two plots have different Bragg angles [\theta_{\rm B}]. Each plot shows ellipses for three different incident angles [\theta = \arctan(k_z/k_x)], with ky = 0. The concentric gray discs contain 50% and 90% of all mosaic blocks, assuming a Mises–Fisher distribution [W(\hat {\bf G})] that is centered around [\hat{\bf H} = \hat{\bf e}_z], with standard deviation η = 2.5°.

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ISSN: 2053-2733
Volume 76| Part 3| May 2020| Pages 376-389
https://doi.org/10.1107/S2053273320002065
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