Neues
Termine
Konferenzen
-
SANS-Workshop 21./22. Juni
21. Juni - 22. Juni
Seminare
-
Commissioning of the CASCADE detector at MIRA
04. Juni 14:45 - 15:45
-
Structural and dynamic study of several magnetic systems by means of Neutron Resonant Spin Echo techniques
11. Juni 14:45 - 15:45
- “ZETA” is a Neutron Resonant Spin Echo (NRSE) option which is currently installed on the thermal...
-
Macromolecular crystallography at the European Spallation Source
18. Juni 14:45 - 15:45
- The structure determination of biological macromolecules by X-ray crystallography is a key...
DNS
Diffuse Neutronenstreuung
Technical Data
| Monochromator | |
|---|---|
| Neutron guide NL6-S | |
| Horizontal- and vertically adjustable double-focusing | |
| PG (002) | |
| d | 3.355 Å |
| Crystal dimensions | 2.5 × 2.5 cm2 (5 × 7 crystals) |
| Wavelengths range | 2.4 Å < λ < 6 Å |
| Double chopper system | |
| Chopper frequency | ≤ 300 Hz |
| Repetition rate | ≤ 900 Hz |
| Chopper disks | Titanium, 3 slits, Ø = 420 mm |
| Flux at sample | |
| Non-polarized | ~ 108 n/cm2s |
| Polarized | ~ 5 · 106 – 107 n/cm2s (polarizer: m = 3 supermirror benders) |
| Detector banks for non-polarized neutrons | |
| 128 position sensitive 3He tubes Ø = 1.27 cm, height ~100 cm | |
| Total solid angle covered | 1.9 sr |
| Covered scattering angles in the horizontal plane | 0° < 2θ ≤ 135° |
| Detector banks for polarized neutrons | |
| 24 detection units | Polarization analysis by m = 3 supermirror benders |
| 3He detector tubes, Ø = 2.54 cm, height 15 cm | |
| Covered scattering angle in the horizontal plane | 0° < 2θ ≤ 150° |
| Qmax | |
| λi = 2.4 Å (Ei = 14.2 meV) | 4.84 Å-1 |
| λi = 6 Å (Ei = 2.28 meV) | 1.93 Å-1 |
| Energy resolution | |
| λi = 2.4 Å (Ei = 14.2 meV) | 1 meV |
| λi = 6 Å (Ei = 2.28 meV) | 0.1 meV |
