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Title: Simulation of multiple operation modes for the cold neutron triple axis spectrometer SIKA at Bragg Institute
Authors: Deng, G
Vorderwisch, P
Wu, CM
McIntyre, GJ
Li, WH
Keywords: Spectrometers
Cold neutrons
OPAL Reactor
Array processors
Issue Date: 2-Feb-2012
Publisher: Australian Institute of Physics
Citation: Deng, G., Vorderwisch, P., Wu, C.-M., McIntyre, G., & Li, W.-H. (2012). Simulation of multiple operation modes for the cold neutron triple axis spectrometer SIKA at Bragg Institute. Poster presented to the 36th Annual Condensed Matter and Materials Meeting, Wagga 2012, Charles Sturt University, Wagga Wagga, NSW, 31st January – 3rd February, 2012, (p. 102). Retrieved from:
Abstract: The coming high flux cold-neutron triple axis spectrometer, SIKA at Bragg Institute, is built with an unconventional design, equipped with a multi-strip analyzer array of 13 PG(002) blades (see Fig. 1), a linear position-sensitive detector and a separate diffraction detector. Such a design allows SIKA to run in a traditional step-by-step mode or various mapping (or dispersive) modes by changing the configuration of analyzers and detectors. In this study, several typical mapping modes are analyzed and simulated using Monte Carlo ray-trace package SIMRES of RESTRAX. [1] The performance of different mapping modes are demonstrated and evaluated, providing the dispersion relations of these operation modes as references for experimental studies. The simulation shows the flexibility and fast data collecting potential of SIKA as a new generation of triple axis spectrometer. The simulated data could be compared with the experimental data in the future and as a reference to the selection of effective operation modes.
ISBN: 978-0-646-57071-6
Appears in Collections:Conference Publications

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