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Figure 4
Background-subtracted neutron counts per µs versus d spacing at [2\vartheta = {90^ \circ }] scattering angle from a ∅ = 9 mm Si powder sample: (a) measured in 1 h with only five (out of 256) pixel columns of the Timepix3 imaging detector, (b) measured in 45 min with 24 3He tubes in HIPPO's bank 17, and (c) simulated with the Monte Carlo code McStas. The data are depicted in red, with the GSAS fit in green, and the difference between fit and data is shown in purple below. Tick marks indicate calculated peak positions for silicon; the additional peaks observed in (b) and Fig. 6[link] result from the incident beam diffracting off an aluminium component in the imaging detector, which is to be eliminated in future designs.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 4| August 2024| Pages 1107-1114
https://doi.org/10.1107/S1600576724004448
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