About McStas
Conditions of use
Authors/Contacts
Project funding
Download
Components
Other Downloads (share)
Documentation
Wiki (GitHub)
McStas manual
Publications
[ Identification | Description | Examples | Input parameters | Links ]
The Test_Powders Instrument
Test output of PowderN, NCrystal and Single_crystal on a spherical monitor / PSD.
Identification
- Site: Tests_samples
- Author: M. Bertelsen and P. Willendrup
- Origin: ESS DMSC
- Date: November 2024
Description
A test instrument for Powder output from different sample components.
Examples
(Test cases in bold)- Test: lambda=2.5 directbeam=0 comp=0 material=Ge SPLITS=1 Detector: Sph_mon_I=3.67e+08
- Test: lambda=2.5 directbeam=0 comp=0 material=Ge SPLITS=1 Detector: psd_mon_I=7.35e+05
- Example: lambda=2.5 directbeam=0 comp=1 material=Ge SPLITS=1 Detector: Sph_mon_I=4.2e+08
- Example: lambda=2.5 directbeam=0 comp=1 material=Ge SPLITS=1 Detector: psd_mon_I=8.3e+05
- Test: lambda=2.5 directbeam=0 comp=2 material=Ge SPLITS=1 Detector: Sph_mon_I=4.2e+08
- Test: lambda=2.5 directbeam=0 comp=2 material=Ge SPLITS=1 Detector: psd_mon_I=8.3e+05
- Test: lambda=2.5 directbeam=0 comp=3 material=Ge SPLITS=1 Detector: Sph_mon_I=4.2e+08
- Test: lambda=2.5 directbeam=0 comp=3 material=Ge SPLITS=1 Detector: psd_mon_I=8.3e+05
- Test: lambda=2.5 directbeam=0 comp=0 material=Al twotheta=76.5 SPLITS=1 Detector: Sph_mon_I=9.1e+07
- Test: lambda=2.5 directbeam=0 comp=0 material=Al twotheta=76.5 SPLITS=1 Detector: psd_mon_I=1.94e+05
- Example: lambda=2.5 directbeam=0 comp=1 material=Al twotheta=76.5 SPLITS=1 Detector: Sph_mon_I=1.1e+08
- Example: lambda=2.5 directbeam=0 comp=1 material=Al twotheta=76.5 SPLITS=1 Detector: psd_mon_I=2e+05
- Test: lambda=2.5 directbeam=0 comp=2 material=Al twotheta=76.5 SPLITS=1 Detector: Sph_mon_I=1.1e+08
- Test: lambda=2.5 directbeam=0 comp=2 material=Al twotheta=76.5 SPLITS=1 Detector: psd_mon_I=2e+05
- Test: lambda=2.5 directbeam=0 comp=3 material=Al twotheta=76.5 SPLITS=1 Detector: Sph_mon_I=1.1e+08
- Test: lambda=2.5 directbeam=0 comp=3 material=Al twotheta=76.5 SPLITS=1 Detector: psd_mon_I=2.19e+05
- Test: lambda=2.5 directbeam=0 comp=0 material=LaMnO3 twotheta=80 SPLITS=1 Detector: Sph_mon_I=2.48e+08
- Test: lambda=2.5 directbeam=0 comp=0 material=LaMnO3 twotheta=80 SPLITS=1 Detector: psd_mon_I=1.78e+05
- Example: lambda=2.5 directbeam=0 comp=1 material=LaMnO3 twotheta=80 SPLITS=1 Detector: Sph_mon_I=3.1e+08
- Example: lambda=2.5 directbeam=0 comp=1 material=LaMnO3 twotheta=80 SPLITS=1 Detector: psd_mon_I=2.1e+05
- Test: lambda=2.5 directbeam=0 comp=2 material=LaMnO3 twotheta=80 SPLITS=1 Detector: Sph_mon_I=3.1e+08
- Test: lambda=2.5 directbeam=0 comp=2 material=LaMnO3 twotheta=80 SPLITS=1 Detector: psd_mon_I=1.9e+05
- Test: lambda=2.5 directbeam=0 comp=3 material=LaMnO3 twotheta=80 SPLITS=1 Detector: Sph_mon_I=3.1e+08
- Test: lambda=2.5 directbeam=0 comp=3 material=LaMnO3 twotheta=80 SPLITS=1 Detector: psd_mon_I=1.9e+05
- Test: lambda=2.5 directbeam=0 comp=0 material=NaCl twotheta=78 SPLITS=1 Detector: Sph_mon_I=2.13e+08
- Test: lambda=2.5 directbeam=0 comp=0 material=NaCl twotheta=78 SPLITS=1 Detector: psd_mon_I=3.2e+05
- Example: lambda=2.5 directbeam=0 comp=1 material=NaCl twotheta=78 SPLITS=1 Detector: Sph_mon_I=2.5e+08
- Example: lambda=2.5 directbeam=0 comp=1 material=NaCl twotheta=78 SPLITS=1 Detector: psd_mon_I=3.4e+05
- Test: lambda=2.5 directbeam=0 comp=2 material=NaCl twotheta=78 SPLITS=1 Detector: Sph_mon_I=2.5e+08
- Test: lambda=2.5 directbeam=0 comp=2 material=NaCl twotheta=78 SPLITS=1 Detector: psd_mon_I=3.4e+05
- Test: lambda=2.5 directbeam=0 comp=3 material=NaCl twotheta=78 SPLITS=1 Detector: Sph_mon_I=2.5e+08
- Test: lambda=2.5 directbeam=0 comp=3 material=NaCl twotheta=78 SPLITS=1 Detector: psd_mon_I=3.4e+05
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default |
| comp | 1 | 0=PowderN-with-NCMAT, 1=PowderN, 2=Single_crystal, 3=NCrystal | 1 |
| lambda | AA | Wavelength emitted from source, 1% wl-interval around. | 2.5 |
| L1 | m | Source-sample distance | 10 |
| directbeam | 1 | Suppress direct beam or not | 0 |
| material | str | Material string for picking up CIF (PowderN/Single_Crystal) and ncmat (NCrystal) | "Ge" |
| SPLITS | 1 | Number of SPLIT's before sample | 1 |
| frac_t | 1 | Fraction of stats assigned to unscattered, "direct beam" | 0.1 |
| sxmos | arcmin | Mosaicity to use in Single_crystal case | 60 |
| twotheta | deg | Angle for 2\theta detector for detailed view | 94 |
Links
- Source code for
Test_Powders.instr.
[ Identification | Description | Examples | Input parameters | Links ]
Generated for mcstas 3.8.4
