[ Identification | Description | Input parameters | Links ]
RTP_SANS InstrumentThis is a 4m long SANS installed on a radial beam port 4 at the Reactor TRIGA PUSPATI (RTP). Te beam port 4 is a radial tube that originates from the core, through the graphite reflector. A thick Be filter selects the cold tail of the thermal spectrum, and removes higher order PG reflections. A PG(002) monochromator selects the 5A neutrons that are sent into a 4m - 4m SANS with a 60 cm PSD detector 128x128 pixels. The monochromator is here used in fixed double focusing geometry. The accessible Q range is then 0.01-0.1 Angs-1. This model contains a detailed description of the Be filter, monochromator and SANS set-up. The Be filter is in the monochromator block. Example: mcrun RTP_SANS.instr lambda=5
| Name | Unit | Description | Default |
| lambda | Angs | monochromator selected wavelength | 5 |
| DM | Angs | d-spacing for the monochromator reflection | 3.355 |
| dlambda | Angs | monochromator wavelength spread | .2 |
| Be_Filter_depth | m | Depth of Be filter | .15 |
| Mono_tilt | deg | angle tilt between the 3 monochromator layers | -1 |
| mono_rotation | deg | additional monochromator offset rotation for e.g rocking curves | 0 |
RTP_SANS.instr.
[ Identification | Description | Input parameters | Links ]
Generated on 2023-09-19 20:01:36