[ Identification | Description | Input parameters | Links ]

# The `Test_PowderN` 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.

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default
comp | 1 | 1=PowderN, 2=Single_crystal, 3=NCrystal | 1
lambda | Angs | 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 | Input parameters | Links ]