This instrument is operational .
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Time-of-flight Small-Angle Neutron Scattering instrument.
Sans2d can be used to examine size, shape, internal structure and spatial arrangement in nanomaterials, ‘soft matter’, and colloidal systems, including those of biological origin, on length scales of between* 0.25-300 nm. SANS does not locate individual atoms but rather looks at the larger structures they form. This gives important insights into many everyday materials and biological systems.
* for comparison, a human hair is about 100,000nm in diameter!
Inside the green blockhouse the detectors are housed in a cylindrical vacuum tank 3.25 m in diameter and 13 m long; this could hold enough petrol to let a regular compact car drive over a million miles! To stop the neutrons colliding with air molecules the tank is evacuated to 1/2000 of normal air pressure.
This instrument is on Target Station 2.
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