Charge-collection and single-event upset measurements at the ISIS neutron source

Platt, S. and Torok, Z. and Frost, C. D. and Ansell, S. (2008) Charge-collection and single-event upset measurements at the ISIS neutron source. IEEE Transactions on Nuclear Science, 55 (4). 2126 - 2132. ISSN 0018-9499

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Abstract

Charge-collection measurements at the VESUVIO instrument at ISIS are described. Neutron SEU cross sections in SRAM-based FPGAs are measured. Results are compared to equivalent data from Los Alamos Neutron Science Center ICE House. The rate of single-event effects due to fast neutrons at VESUVIO is approximately 15% of that at LANSCE. In addition there is a strong thermal and epithermal component, sufficient to cause many events in devices containing small amounts of 10 B. The effects of low-energy neutrons on a commercial CCD contaminated with traces of 10 B are described. Cadmium shielding is found to be incompletely effective in separating the effects of fast and slow neutrons, and the implications for testing protocols and instrument design are discussed.

Item Type:
Journal Article
Journal or Publication Title:
IEEE Transactions on Nuclear Science
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
140083
Deposited By:
Deposited On:
06 Jan 2020 16:10
Refereed?:
Yes
Published?:
Published
Last Modified:
05 Aug 2020 08:30