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First measurements with new high-resolution gadolinium-GEM neutron detectors
European Spallat Source ESS AB, Sweden; CERN, Switzerland.
European Spallat Source ESS AB, Sweden; CERN, Switzerland.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering.
European Spallat Source ESS AB, Sweden.
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2016 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 11, no P05011Article in journal (Refereed) PublishedText
Abstract [en]

European Spallation Source instruments like the macromolecular diffractometer (NMX) require an excellent neutron detection efficiency, high-rate capabilities, time resolution, and an unprecedented spatial resolution in the order of a few hundred micrometers over a wide angular range of the incoming neutrons. For these instruments solid converters in combination with Micro Pattern Gaseous Detectors (MPGDs) are a promising option. A GEM detector with gadolinium converter was tested on a cold neutron beam at the IFE research reactor in Norway. The mu TPC analysis, proven to improve the spatial resolution in the case of B-10 converters, is extended to gadolinium based detectors. For the first time, a Gd-GEM was successfully operated to detect neutrons with a measured efficiency of 11.8% at a wavelength of 2 angstrom and a position resolution better than 250 mu m.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2016. Vol. 11, no P05011
Keyword [en]
Neutron detectors (cold, thermal, fast neutrons); Neutron diffraction detectors; Particle tracking detectors
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:liu:diva-130142DOI: 10.1088/1748-0221/11/05/P05011ISI: 000377851700034OAI: oai:DiVA.org:liu-130142DiVA: diva2:948558
Note

Funding Agencies|EU Horizon 2020 framework, BrightnESS project [676548]

Available from: 2016-07-12 Created: 2016-07-11 Last updated: 2016-07-12

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Birch, JensHöglund, CarinaSchmidt, Susann
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Thin Film PhysicsFaculty of Science & EngineeringDepartment of Physics, Chemistry and Biology
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Journal of Instrumentation
Accelerator Physics and Instrumentation

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