Specifications

Instrument location: neutron-guide hall, cold guide CG1

Velocity selector

• wavelength range 4.5 - 43 A
• resolution 8% < Δλ/λ < 21%
• transmission ~ 94%

Collimation

• Ni58 equivalent guides (50 mm x 50 mm) (4m, 7 x 2m)

Accessible Q range

• Q-range < 0.0015 A^-1 - 1 A^-1 (without lenses at various wavelengths)
• Source aperture to sample aperture distance: 1 - 20 m (1, 2, 4, 6, 8, 10, 12, 14, 16, 20m)
• Future option of an incident beam polarisation (Fe:Si sm, rf spin flipper) - future options

Sample area

• Typical beam size - 10 mm (diameter) - up to 50 x 50 mm²
• flux at sample position Collimation 1 m: < 1.4 x 10⁸ n/cm²/s (high flux)
• Collimation 8 m: < 2.6 x 10⁷ n/cm²/s (intermediate )
• Collimation 20 m:< 5 x 10⁶ n/cm²/s (high resolution)
• Sample stage 1.2 m (accessible opening for sample environments)
• Sample support system AZ Systemes (x, y, z,θ, 2-circle goniometer) maximum weight 1000 kg
• Maximum vertical distance from support system to beam height - 500 mm

Detector

• Sample - detector distance: 1 - 20 m (continuously variable)
• Horizontal offset < 0.5 m
• Active area: 1 m x 1 m
• Spatial resolution 5 mm x 5 mm
• Maximum count rate 100 kHz

Sample environment available