view article
Figure 1
(a) Schematic of the main diffractometer components (upper: side view, lower: plan view). The X-rays (red) emerge from the standard HED IC1 components and pass into the IC1 vacuum chamber. They then pass through the clean-up slits (green), steel shield (purple), sample in a vertical holder (blue) and below the Varex (labelled `V') and above the JUNGFRAU (labelled `J') detectors (active areas in orange) before exiting the IC1 chamber. The Varex detector is not centred above the X-ray beam because of space constraints. The technical drawing of the setup can be found in Fig. S1. (b) Outline of the data-reduction pipeline. (c) Example of processed data from the two detectors and the fully merged data, using water in a fused silica capillary as an example. [The normalized S(Q) for water from these data is shown in Fig. 10[link].] Recent Qmin and Qmax values for XFEL measurements of S(Q) and ΔS(Q) are shown as green (Gorman et al., 2024View full citation) and yellow (Griffiths et al., 2024View full citation) vertical lines, respectively. The region over which merging is performed is shaded in grey; data at Q values above and below this shaded region were not used for the JUNGFRAU and Varex detectors, respectively.

IUCrJ
Volume 12| Part 5| September 2025| Pages 531-547
ISSN: 2052-2525
https://doi.org/10.1107/S205225252500538X