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Figure 2
Visual sketch of the cylindrical model. The sample is represented by the section of the cylinder irradiated by the beam. Point M is located in the sample and point P is on the aperture of the lens of the analyzer. The angular direction (in spherical coordinates) of the line joining M and P is depicted in the two 2D projections. The complementary polar angle is denoted β and the azimuthal angle is ω. The radial distance R0 is the projection of the distance between P and the origin O. If the radius of the sample μ0 is such that R0 >> [\mu_{0}], then the distance MP is nearly constant.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 5| September 2023| Pages 941-961
https://doi.org/10.1107/S1600577523006124
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