A Monte Carlo Simulation of Neutron Instrument Resolution Functions
Författare
Summary, in English
In this paper we demonstrate that the Monte Carlo simulation package McStas is a useful tool, not only for instrument design, but also for resolution function calculation. It has been possible to determine analytically the 4 dimensional resolution function of both a direct geometry time of flight neutron spectrometer and a triple axis spectrometer. The obtained resolution functions are directly comparable to and in agreement with the Monte Carlo simulated results. These results are a step towards incorporating a 4 dimensional resolution function into data analysis. For each instrument we show an example of the resolution function calculated at a particluar point in (Q, omega) space.
Avdelning/ar
Publiceringsår
2013
Språk
Engelska
Sidor
037-037
Publikation/Tidskrift/Serie
Journal of the Physical Society of Japan
Volym
82
Dokumenttyp
Artikel i tidskrift
Förlag
Physical Society of Japan
Ämne
- Physical Sciences
- Natural Sciences
Nyckelord
- resolution function
- triple axis spectrometer
- direct geometry chopper
- spectrometer
- Monte Carlo simulation
- Cooper-Nathans
- Popovici
Status
Published
ISBN/ISSN/Övrigt
- ISSN: 1347-4073