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Figure 2
Peak and model for a very strong peak recorded on the TOPAZ beamline. (a) The TOF profile before (blue squares) and after (orange circles) background removal. The IC fit (green) nicely fits the high-TOF tail. (b) The bivariate normal fit to the non-TOF coordinates φaz and 2θ. The left box is a two-dimensional histogram before background removal, the middle box (`No BG') is made by summing only the voxels in reciprocal space used for fitting, and the right box (`Model') shows the fit to the data. (c, d) A slice of three-dimensional q space along qz of the peak as measured and the same slice of the three-dimensional model of the peak shown on a linear scale (c) and a logarithmic scale (d) to accentuate the head and tail, respectively.

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