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Figure 9
Distribution of counts recorded with a V/Nb sample on the X and Y fibre planes for fixed LLD (black), variable LLD in (a) red and (d) blue, respectively, and the calculated event distribution fit in grey. Detector-uniformity variation for each fibre shown as the percentage deviation of the fixed LLD event distribution from the fit in black diamonds and of the variable LLD event distribution from the fit in (b) red and (e) blue circles for the X and Y fibre planes, respectively. The uniformity is improved by a factor of 5 when applying the variable LLD correction. (c) and (f) LLD offset value for each fibre from the fixed LLD = 200, corresponding to offset 0.

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CRYSTALLOGRAPHY
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