Parameters & Technical Specifications for TASP
TASP occupies the end position of the neutron guide 1RNR14 that has a critical wavelength λmin = 1.7 Å. Some specific features of the instrument are:
- Optional Collimation of the Beam before the Monochromator
- W-configuration Possible for all Accessible Scattering Vectors
- Polarization Capability using HOPG combined with polarising benders
- Vertically Focusing Monochromator
- Horizontally Focusing Analyser
- Neutron Polarimetry using the MuPAD setup
Neutron guide of TASP
Polarizing bender for TASP
Measured resolution as a function of kf
DATASHEET
| Distance cold source - TASP | 54 m |
| Monochromator scattering angle | 31° < 2θM < 128° |
| Analyser scattering angle | -145° < 2θA < 145° |
| Neutron energy (PG 002) | 2.3 meV < EM < 25 meV 6.0 Å > λM > 1.8 Å 1.05 Å-1 < kM < 3.8 Å-1 |
| Sample Scattering Angle | 2θS < 135° |
| Sample environment | maximum load 500 kg |
| Inpile collimation | 20', open |
| External collimation | 10', 20', 40', 80', open |
| Detector | Single 3He-tube |
| Typical spectrometer resolution (FWHM) (for open-40'-40'-40') |
ΔE = 40 µeV (EM = 2.5 meV) ΔE = 0.9 meV (EM = 14.7 meV) |
| Filters | cooled Be, pyrolytic graphite |