The CSPads collected data on a shot-by-shot basis with experiment-specific metrology and were positioned to cover a set range of 2θ diffraction angles from 18° to 70°. Before each driven shot, an x-ray–only shot was taken to provide backgrounds for the diffraction and phase-contrast instruments. The x-ray–only shots left no damage on the surface of the target visible via diagnostics. After reactivating the laser and taking the driven shot, the data were normalized by the x-ray–only values. This normalization resulted in the flat diffraction lineouts for probes through a material that remained in the ambient cubic diamond phase. On the x-ray diffraction CSPads, a mask was applied on the nonactive surface to reduce the background signal, although this had a small effect, particularly on the shots with melt and diffraction data. The normalized and masked diffraction images were azimuthally integrated using Dioptas (37). The detector spatial calibration was performed using x-ray–only diffraction from a CeO2 sample. Ambient condition diffraction spots from the aluminum target holder were masked to avoid confusion.

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