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Figure 1
A sketch showing three possible paths whereby scattering can produce background in SANS experiments. A 2D detector is placed inside a vacuum vessel. A sample inside an environment-control apparatus is placed upstream of the vessel. A collimated beam (black line) passes through the sample into the vessel and strikes a beam stop just in front of the detector. Path 1 (red line) represents reflective scattering, first from the beam stop and secondly from the lining of the detector vessel. Path 2 (blue line) represents scattering first from the sample followed by reflective scattering from the detector vessel lining. Path 3 (green line) represents scattering from the sample followed by scattering from the sample environment.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 2| April 2021| Pages 461-472
https://doi.org/10.1107/S1600576721001084
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