The `Test_PowderN` Instrument

Site: Tests_samples
Author: M. Bertelsen and P. Willendrup
Origin: ESS DMSC
Date: November 2024

Test output of PowderN, NCrystal and Single_crystal on a spherical monitor / PSD.

Identification

A test instrument for Powder output from different sample components.

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