The `Test_PowderN` Instrument

Site: Tests_samples
Author: Erik B Knudsen (erkn@fysik.dtu.dk)
Origin: DTU Physics
Date: 2009

Unit-test instrument for the PowderN sample component. Simply a model source illuminating a powder sample. The sample itself is an Fe-powder.

Identification

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
E0			45
L1	m	Source-sample distance	10
directbeam	1	Suppress direct beam or not	0
reflections	str	List of powder reflections	"LaB6_660b_AVID2.hkl"
SPLITS	1	Number of SPLIT's before sample	1
frac_c	1	Fraction of stats assigned to coherent scattering	0.8
frac_i	1	Fraction of stats assigned to incoherent scattering	0.1
frac_t	1	Fraction of stats assigned to unscattered, "direct beam"	0.1
d_phi			0
TTH	deg	Rotation of secondary detector arm.	0