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Further study of Boron-10 loaded liquid scintillators for detection of fast and thermal neutrons
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2008 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Boron-10 loaded liquid scintillators were studied in order to improve n/γ separation. Pulse shape discrimination (PSD) was done by means of a zero-crossing (ZC) method to distinguish between γ-rays and fast/slow neutrons. A significant progress was achieved for BC523A2 and EJ339A2 loaded with reduced amount of ,10B (2% and 2.5%, respectively), as compared to the results obtained earlier with BC523A loaded with 5% of 10B. The improvement was probably caused by the reduction of 10B content, as indicated in the latter study. A 10B loaded scintillator EJ309B5 based on a non-flammable liquid was also studied, showing the best separation of thermal neutron capture events from fast neutrons, γ-rays and noise.

Place, publisher, year, edition, pages
2008. 2378-2382 p.
Series
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863
Keyword [en]
Boron-10, Fast neutrons, Flammable liquids, Liquid scintillator, Pulse shape discrimination, Thermal neutron capture, Thermal neutrons, Zero-crossing, Boron, Boron compounds, Ionization, Liquids, Luminescence, Phosphors, Pulse shaping circuits, Scintillation, Scintillation counters, Neutrons
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-154122DOI: 10.1109/NSSMIC.2008.4774834Scopus ID: 2-s2.0-67649221951ISBN: 9781424427154 (print)OAI: oai:DiVA.org:kth-154122DiVA: diva2:758010
Conference
2008 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2008; Dresden; Germany; 19 October 2008 through 25 October 2008
Note

QC 20141024

Available from: 2014-10-24 Created: 2014-10-14 Last updated: 2014-10-24Bibliographically approved

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