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Neutron beam monitors for the European spallation source
European Spallation Source, P.O Box 176, Lund.
European Spallation Source, P.O Box 176, Lund.
European Spallation Source, P.O Box 176, Lund.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design. European Spallation Source, P.O Box 176, Lund.ORCID iD: 0000-0003-3221-2086
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2015 (English)In: 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015, Institute of Electrical and Electronics Engineers (IEEE), 2015, article id 7581906Conference paper, Published paper (Refereed)
Abstract [en]

The European Spallation Source (ESS), currently under construction in Lund, Sweden, will house a suite of 16 user instruments for neutron scattering experiments. The spallation source of the ESS will emit relatively long, 2.8 ms, neutron pulses with an integrated flux that will greatly exceed that of current facilities. This leads to both large advancements in instrument performance as well as to increased length and complexity of the beam delivery systems. The instruments will each be equipped with neutron beam monitors used for data normalisation and analysis, as well as commissioning and diagnostics. In this paper we present the requirements for beam monitors for the ESS and the strategy to meet these in a standardised approach. A large range of specifications in efficiency, dynamic range, time and position resolution, compatible materials are needed. A new feature for neutron beam monitors for some locations, is the ability to measure time profile of each source pulse individually. In general, event mode readout will be used for monitors, similarly to other neutron detectors at the facility. A selection of detectors based on different technologies will be available. Monitors will be integrated with beam lines and choppers in a way that allows to freely choose the type of monitor based on final requirements of an instrument. For this end, space for a standardised module, housing a monitor will be provided in conjunction with chopper assemblies and elsewhere on each beam line.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. article id 7581906
Keywords [en]
European Spallation Source, Long pulse spallation source, Neutron beam monitors
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-29397DOI: 10.1109/NSSMIC.2015.7581906Scopus ID: 2-s2.0-84994106806ISBN: 9781467398626 (print)OAI: oai:DiVA.org:miun-29397DiVA, id: diva2:1051610
Conference
2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015, 31 October 2015 through 7 November 2015
Available from: 2016-12-02 Created: 2016-12-02 Last updated: 2016-12-02Bibliographically approved

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Hall-Wilton, Richard J.

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Citation style
  • apa
  • ieee
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  • de-DE
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  • nn-NO
  • nn-NB
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More languages
Output format
  • html
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  • asciidoc
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