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Neutron measurements with lanthanum-bromide scintillation detectors: a first approach
Örebro University, School of Science and Technology.
2013 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 708, p. 7-14Article in journal (Refereed) Published
Abstract [en]

In this paper we report on the measurement of gamma-rays using a 2 in. x 2 in. LaBr3:Ce scintillation detector. The gamma-rays were emitted in the spontaneous fission of Cf-252 and detected in coincidence with fission fragments. After presenting some of the properties of the detector, we show how well gamma-rays produced in different reactions may easily be distinguished by their characteristic time-of-flight. Then we focus on the analysis of gamma-rays from inelastically scattered neutrons in the scintillation crystal and demonstrate how this information may be used for neutron spectroscopy. We determine the neutron detection efficiency and compare it to the result of calculations based on existing reaction cross-sections. Finally, we discuss the detection performance in relation to other detector systems commonly used for neutron monitoring.

Place, publisher, year, edition, pages
2013. Vol. 708, p. 7-14
Keywords [en]
Neutron measurements, Lanthanum bromide, Scintillation detector, Cf-252(sf), Br-79(n, n '), Br-81(n, n ')
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-28779DOI: 10.1016/j.nima.2013.01.005ISI: 000316192300002OAI: oai:DiVA.org:oru-28779DiVA, id: diva2:617684
Available from: 2013-04-24 Created: 2013-04-24 Last updated: 2017-12-06Bibliographically approved

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Oberstedt, Andreas

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  • apa
  • harvard1
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  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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