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Persistent URL http://purl.org/net/epubs/work/12257303
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Record Id 12257303
Title Monte Carlo Simulations of the TOSCA Spectrometer: Assessment of Current Performance and Future Upgrades
Contributors
Abstract We describe and assess the performance of a detailed computational description of the high-resolution TOSCA spectrometer at ISIS using neutron-transport Monte Carlo simulations. Extensive calculations using the McStas software package have been performed using the present instrument geometry and compared with available experimental data. The agreement between expected and measured performance is satisfactory in terms of the incident flux spectrum, associated time structure, and spectroscopic resolution. Encouraged by these results, we also consider the upgrade of the primary spectrometer with a tapered high-m guide. This instrument development offers the exciting prospects of providing order-of-magnitude gains in detected neutron flux over the energy-transfer range of the instrument whilst preserving its outstanding spectroscopic capabilities.
Organisation ISIS , ISIS-TOSCA , STFC
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article EPJ Web of Conferences 83 (2015): 03013. Is in proceedings of: 11th International Conference on Quasielastic Neutron Scattering / 6th International Workshop on Inelastic Neutron Spectrometers (QENS/WINS), Autrans, France, 11-16 May 2014. doi:10.1051/epjconf/20158303013 2015
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