The `ILL_H142_IN12` Instrument

Site: ILL
Author: FARHI Emmanuel (farhi@ill.fr)
Origin: ILL
Date: April 7, 2004

The H142 S-curved cold guide at the ILL feeding IN12 TAS spectrometer

Identification

The H142 beam is the only S-curved guide at the ILL. It is used here to feed
the IN12 TAS spectrometer (classical configuration).

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
m	1	m-value of guide coating (H14/H142)	1
KI	Angs-1	central wavevector for incoming neutrons	2.662
QM	Angs-1	wavevector transfer modulus at the sample	1.0
EN	meV	energy transfer at the sample	0.0
verbose			1
WM			0.08
HM			0.12
NHM			1
NVM			6
RMV			-1
WA			0.121
HA			0.118
NHA			11
NVA			1
RAH			-1
L2			1.726
L3			1.300
L4			0.710