[ Identification | Description | Input parameters | Output parameters | Links ]

# The `ILL_H142_IN12` Instrument

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

## Identification

- Site: ILL
- Author: FARHI Emmanuel (farhi@ill.fr)
- Origin:ILL
- Date: April 7, 2004
- Version: 1.7

## Description

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

    Example:
    mcrun -n 1e7 ILL_H142.instr m=1 Ki=2.662

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default
--- | --- | --- | ---
m | 1 | m-value of guide coating (H14/H142) | 1
Ki | AA | central wavevector for incoming neutrons | 2.662
Q | AA-1 | wavevector transfer at the sample | 1.0
E | meV | energy transfer at the sample | 0.0

## Links

- Source code for `ILL_H142_IN12.instr`.
- The IN12 TAS at the ILL

[ Identification | Description | Input parameters | Output parameters | Links ]