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Figure 7
Integrated total scattering intensity over the whole detector from a vanadium sample, compared with the measured neutron flux at the sample location. The flux was measured directly on the detector 10 m away from the sample and with pinholes of various diameters (1–10 mm) at the sample location. The data are corrected for detector efficiency (see §[link]6) and normalized to 1 MW of SNS source power. The collimation slit used (S1 in Fig. 1[link], collimation length 4 m) is 2 × 2 cm in size. The vanadium data are scaled to correspond to the measured flux. They are measured in frame-skipping mode at a detector distance of 19 m (SDD  =  5 m) and a starting neutron wavelength of 2 Å. For clarity, fall offs at the ends of each frame due to the opening and closing of the bandwidth choppers (the edges of the chopper cut-outs sweeping through the neutron beam) have been trimmed off.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 43| Part 5| October 2010| Pages 1068-1077
https://doi.org/10.1107/S002188981002217X
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