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Figure 3
The intrinsic instrumental energy resolution at a specific Q, shown in orange, and the projected effective resolution, shown in green. For a shallow dispersion, one should use the projected resolution (green), while for a steep dispersion (orange), the energy resolution at a specific Q is more correct. For our approximation, we do not see the correlations between Q and E as in the real case (grey ellipsis), so we assume an ellipsis with no tilt (black) and with the energy resolution depending on the steepness of the dispersion.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 3| June 2026| Pages 783-798
https://doi.org/10.1107/S1600576726002049
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