Upgrade of the MARI spectrometer at ISIS
Manh Duc Le, Tatiana Guidi, Robert I. Bewley, J. Ross Stewart, Erik M., Schooneveld, Davide Raspino, Daniel E. Pooley, Jonathan Boxall, Kelvin F., Gascoyne, Nigel J. Rhodes, Simon R. Moorby, David J. Templeman, Luke C., Afford, Simon P. Waller, Daniel Zacek, Rebecca C. R. Shaw
TL;DR
The MARI spectrometer at ISIS was upgraded with a supermirror guide and new electronics, significantly increasing neutron flux and noise discrimination, ensuring high-quality scientific output for years to come.
Contribution
This paper reports the first upgrade of the MARI spectrometer, enhancing its flux and noise discrimination capabilities.
Findings
Flux gain of approximately 6 times at 1.8 Å
Improved electrical noise discrimination
Extended operational lifespan of the spectrometer
Abstract
The MARI direct geometry time-of-flight neutron spectrometer at ISIS has been upgraded with an supermirror guide and new detector electronics. This has resulted in a flux gain of at {\AA}, and improvements on discriminating electrical noise, allowing MARI to continue to deliver a high quality science program well into its fourth decade of life.
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Taxonomy
TopicsNuclear Physics and Applications · Atomic and Subatomic Physics Research · Particle Detector Development and Performance