| Issue |
EPJ Web of Conferences
Volume 83, 2015
QENS/WINS 2014 - 11th International Conference on Quasielastic Neutron Scattering and 6th International Workshop on Inelastic Neutron Spectrometers
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|
|---|---|---|
| Article Number | 03015 | |
| Number of page(s) | 6 | |
| Section | WINS 2014 | |
| DOI | https://doi.org/10.1051/epjconf/20158303015 | |
| Published online | 23 January 2015 | |
https://doi.org/10.1051/epjconf/20158303015
From BASIS to MIRACLES: Benchmarking and perspectives for high-resolution neutron spectroscopy at the ESS
1 Niels Bohr Institute, The University of Copenhagen, Copenhagen 2100, Denmark
2 European Spallation Source, Lund 22100, Sweden
3 Technical University of Denmark, 2800 Kongens Lyngby, Denmark
4 European Spallation Source, Data Management and Software Centre, Copenhagen 2100, Denmark
a Corresponding authors: n.tsapatsaris@nbi.ku.dk; bordallo@nbi.ku.dk
Published online: 23 January 2015
Results based on virtual instrument models for the first high-flux, high-resolution, spallation based, backscattering spectrometer, BASIS are presented in this paper. These were verified using the Monte Carlo instrument simulation packages McStas and VITESS. Excellent agreement of the neutron count rate at the sample position between the virtual instrument simulation and experiments was found, in both time and energy distributions. This achievement was only possible after a new component for a bent single crystal analyser in McStas, using a Gaussian approximation, was developed. These findings are pivotal to the conceptual design of the next generation backscattering spectrometer, MIRACLES at the European Spallation Source.
© Owned by the authors, published by EDP Sciences, 2015
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