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


About McStas
 Conditions of use
 Project funding

 Other Downloads (share)

Mailing list

Search web/mailinglist

 Wiki (GitHub)
 McStas manual


Report bugs (GitHub)

Code-repository (GitHub)

McStas: He3_spin_filter

[ Identification | Description | Input parameters | Links ]

The He3_spin_filter Instrument

Test instrument for He3_cell


  • Site: Tests_polarization
  • Author: Pietro Tozzi and Erik B Knudsen
  • Origin: DTU Physics et.
  • Date: Nov 20


Simple instrument model serving as an example and unit tyest of the He3-cell model.
For the values POLHE=.8 and .5 results comply with "Batz, M et al. “(3) He Spin Filter for Neutrons.”
Journal of research of the National Institute of Standards and Technology vol. 110,3 293-8. 1 Jun. 2005, doi:10.6028/jres.110.042"

Input parameters

Parameters in boldface are required; the others are optional.
pol If "x","y", or "z" set polarization along that axis. If "0" use a zero polarization."y"
lamb_1AALower wavelength limit to simulate1
lamb_2AAUpper wavelegnth limit to simulate10
RANDOM Randomize polarization vector in the (ideal) polariser0
polval Set polarization to (polval,polval,polval). Gets overridden by pol1
POLHE Polarization of the 3He-gas in the cell.0.7


[ Identification | Description | Input parameters | Links ]

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

Last Modified: Tuesday, 16-Apr-2024 20:05:20 CEST
Search website mailinglist archive GitHub repos