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Figure 4
Monte Carlo (MC) beam profile at the sample position compared with Shadow4 (S4) hybrid ray tracing (10 keV, SSA 50 µm × 50 µm, 500000 rays). (a) 2D intensity distribution from the MC engine. (b) 2D intensity distribution from S4. (c) Horizontal one-dimensional projected profile (integrated along the orthogonal axis): MC (red solid) versus S4 (blue dashed), with FWHM values annotated. (d) Vertical one-dimensional projected profile (integrated along the orthogonal axis). The MC engine reproduces the overall beam shape with a systematic broadening relative to S4.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 5| September 2026|
https://doi.org/10.1107/S1600577526006788
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