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Further Study of Boron-10 Loaded Liquid Scintillators for Detection of Fast and Thermal Neutrons
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2010 (English)In: IEEE Transactions on Nuclear Science, ISSN 0018-9499, E-ISSN 1558-1578, Vol. 57, no 1, 375-380 p.Article in journal (Refereed) Published
Abstract [en]

Boron-10 loaded liquid scintillators were studied in order to improve n/gamma separation. Pulse shape discrimination (PSD) was implemented by means of a zero-crossing (ZC) method to distinguish between gamma-rays and fast/slow neutrons. Significant progress was done for BC523A2 and EJ339A2 scintillators loaded with reduced amount of B-10 (2% and 2.5%, respectively), as compared to the results obtained earlier with BC523A loaded with 4.4% of B-10. The improvement was probably caused by the reduction of B-10 content, as indicated in the reported study. A B-10 loaded scintillator EJ309B5 based on non- flammable liquid was also studied, showing the best separation of thermal neutron capture events from fast neutrons, gamma-rays and noise.

Place, publisher, year, edition, pages
2010. Vol. 57, no 1, 375-380 p.
Keyword [en]
Boron-10, liquid scintillators, neutron detectors
URN: urn:nbn:se:kth:diva-19195DOI: 10.1109/tns.2009.2037223ISI: 000274391100016ScopusID: 2-s2.0-77950652675OAI: diva2:337242
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-01-24Bibliographically approved

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