McStas logo McStas - A neutron ray-trace simulation package ILL; PSI; ESS Niels Bohr Institute DTU Physics NEXMAP

McStas

About McStas
 Conditions of use
 Authors/Contacts
 Project funding

Download
 Components
 Other Downloads (share)

Mailing list

Search web/mailinglist

Documentation
 Wiki (GitHub)
 McStas manual
 Publications

Links

Report bugs (GitHub)

Code-repository (GitHub)


McStas: Union_powder_validation

[ Identification | Description | Input parameters | Links ]

The Union_powder_validation Instrument

Identification

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

Description

Validation of Union powder against standard PowderN component.

Input parameters

Parameters in boldface are required; the others are optional.
NameUnitDescriptionDefault
comp_select11: Union components, 2: PowderN1
material_data_filestringPowder sample definition"Al.laz"
E0meVSource mean energy100
dEmeVSource energy spread2
sample_radiusmSample radius0.01
sample_heightmSample height0.01
pack Sample packing factor1
sigma_incbarnsSample incoherent cross-section0.0328
sigma_absbarnsSample absorption cross-section0.924
VcAASample unit cell volume66.4
geometry_interact p_interact for the sample0.5
incoherent_fraction Fraction of statistics assigned for incoherent scattering0.2

Links


[ Identification | Description | Input parameters | Links ]

Generated on 2023-09-19 20:01:36


Last Modified: Wednesday, 03-Jan-2024 19:59:10 CET
Search website mailinglist archive GitHub repos