[ Identification | Description | Input parameters | Links ]

# The `Tagging_demo` Instrument

## Identification

- Site: Union_demos
- Author: Mads Bertelsen
- Origin: Johns Hopkins University, Baltimore
- Date: May 2016

## Description

    Powder in Al can

    Example: Detector: Banana_monitor_I=9.84391e-09

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default
material_data_file | string | Name of data file for powder sample | "Cu.laz"
E0 | meV | Source mean energy | 100
dE | meV | Source energy spread | 2
sample_radius | m | Sample radius | 0.01
sample_height | m | Sample height | 0.01
pack | 1 | Packing factor, 1 is full density | 1
sigma_inc | barns | Incoherent cross section for powder sample | 2.2
sigma_abs | barns | Absorption cross section for powder sample | 15.12
Vc | AA | Unit cell volume for powder sample | 47.22
geometry_interact | 1 | Fraction of beam to interact with geometry | 0.5
incoherent_fraction | 1 | Fraction of scattered events that select the powder process | 0.2

## Links

- Source code for `Tagging_demo.instr`.

[ Identification | Description | Input parameters | Links ]