The `ILL_H25_IN22` Instrument

Site: ILL
Author: Emmanuel Farhi
Origin: ILL (France)
Date: 2006

IN22 thermal triple-axis machine (TAS) on guide H25 with sample

Identification

This instrument is a model of IN22@ILL with PG002 monochromator/analyzer,
installed at the end of the H25 supermirror thermal guide.

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
m	1	m-value of guide coating (H14/H142)	2
KI	Angs-1	central wavevector for incoming neutrons	3.84
QM	Angs-1	wavevector transfer modulus at the sample	1.0
EN	meV	energy transfer at the sample	0.0
verbose		toggle verbose mode	1
WM	m	Width of monochromator	0.15
HM	m	Height of monochromator	0.12
NHM	1	Number of vertical slabs composing the monochromator	1
NVM	1	Number of horizontal slabs composing the monochromator	9
RMV	m	Monochromator vertical curvature, 0 for flat, -1 for automatic setting	-1
WA	m	Width of analyzer	0.20
HA	m	Height of analyzer	0.10
NHA	1	Number of horizontal slabs composing the analyzer	11
NVA	1	Number of vertical slabs composing the analyzer	3
RAV	m	Analyzer vertical curvature, 0 for flat, -1 for automatic setting	-1
RAH	m	Analyzer horizontal curvature, 0 for flat, -1 for automatic setting	-1
SM	1:left, -1:right	Scattering sense of beam from Monochromator	-1
SS	1:left, -1:right	Scattering sense of beam from Sample	1
SA	1:left, -1:right	Scattering sense of beam from Analyzer	-1
L1	m	Source-Monochromator distance. Contains 1st Collimator	10.0
L2	m	Monochromator-Sample distance. Contains 2nd Collimator	1.7
L3	m	Sample-Analyzer distance. Contains 3rd Collimator	1.0
L4	m	Analyzer-detector distance. Contains 4th Collimator	0.8