Figure

Range
1-50 meV  Resolution 10-100 meV
Incident Flight Path
37.5 M
Two high speed choppers to define E
Final Flight Path
~3.5 M
+140o in scattering plane 
+40o out of scattering plane
COLD NEUTRON CHOPPER SPECTROMETER
The CNCS will be located 35 m from the source on a cold-neutron guide at beam line 5.Two high-resolution choppers, one to shape the neutron pulse from the moderator and a second to provide final energy selection, will provide adjustable energy resolutions between 10 and 100 meV. The final flight path, with a length of 3-4 m, will have a highly pixilated detector covering scattering angles between +140o in the scattering plane and +30o perpendicular to the scattering plane. This will allow the instrument to simultaneously cover a large range of momentum transfer with excellent Q resolution.

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