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Article: Development of a Bonner Sphere neutron spectrometer from a commercial neutron dosimeter

TitleDevelopment of a Bonner Sphere neutron spectrometer from a commercial neutron dosimeter
Authors
Issue Date2016
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/1748-0221
Citation
Journal of Instrumentation, 2016, v. 11 n. 11, p. P11005:1-24 How to Cite?
AbstractBonner Spheres have been used widely for the measurement of neutron spectra with neutron energies ranged from thermal up to at least 20 MeV . A Bonner Sphere neutron spectrometer (BSS) was developed by extending a Berthold LB 6411 neutron-dose-rate meter. The BSS consists of a 3He thermal-neutron detector with integrated electronics, a set of eight polyethylene spherical shells and two optional lead shells of various sizes. The response matrix of the BSS was calculated with GEANT4 Monte Carlo simulation. The BSS had a calibration uncertainty of ± 8.6% and a detector background rate of (1.57 ± 0.04) × 10−3 s−1. A spectral unfolding code NSUGA was developed. The NSUGA code utilizes genetic algorithms and has been shown to perform well in the absence of a priori information.
Persistent Identifierhttp://hdl.handle.net/10722/240938
ISSN
2015 Impact Factor: 1.31
2015 SCImago Journal Rankings: 0.816

 

DC FieldValueLanguage
dc.contributor.authorChu, MC-
dc.contributor.authorFung, KY-
dc.contributor.authorKwok, T-
dc.contributor.authorLeung, JKC-
dc.contributor.authorLin, YC-
dc.contributor.authorLiu, H-
dc.contributor.authorLuk, KB-
dc.contributor.authorNgai, HY-
dc.contributor.authorPun, JCS-
dc.contributor.authorWong, HLH-
dc.date.accessioned2017-05-22T09:19:48Z-
dc.date.available2017-05-22T09:19:48Z-
dc.date.issued2016-
dc.identifier.citationJournal of Instrumentation, 2016, v. 11 n. 11, p. P11005:1-24-
dc.identifier.issn1748-0221-
dc.identifier.urihttp://hdl.handle.net/10722/240938-
dc.description.abstractBonner Spheres have been used widely for the measurement of neutron spectra with neutron energies ranged from thermal up to at least 20 MeV . A Bonner Sphere neutron spectrometer (BSS) was developed by extending a Berthold LB 6411 neutron-dose-rate meter. The BSS consists of a 3He thermal-neutron detector with integrated electronics, a set of eight polyethylene spherical shells and two optional lead shells of various sizes. The response matrix of the BSS was calculated with GEANT4 Monte Carlo simulation. The BSS had a calibration uncertainty of ± 8.6% and a detector background rate of (1.57 ± 0.04) × 10−3 s−1. A spectral unfolding code NSUGA was developed. The NSUGA code utilizes genetic algorithms and has been shown to perform well in the absence of a priori information.-
dc.languageeng-
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/1748-0221-
dc.relation.ispartofJournal of Instrumentation-
dc.rightsJournal of Instrumentation. Copyright © Institute of Physics Publishing.-
dc.rightsThis is an author-created, un-copyedited version of an article published in Journal of Instrumentation. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/1748-0221/11/11/P11005-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleDevelopment of a Bonner Sphere neutron spectrometer from a commercial neutron dosimeter-
dc.typeArticle-
dc.identifier.emailFung, KY: u3001169@hku.hk-
dc.identifier.emailKwok, T: h0004805@graduate.hku.hk-
dc.identifier.emailLeung, JKC: jkcleung@hku.hk-
dc.identifier.emailNgai, HY: jngai@graduate.hku.hk-
dc.identifier.emailPun, JCS: jcspun@hku.hk-
dc.identifier.authorityLeung, JKC=rp00732-
dc.identifier.authorityPun, JCS=rp00772-
dc.description.naturepostprint-
dc.identifier.doi10.1088/1748-0221/11/11/P11005-
dc.identifier.hkuros272094-
dc.identifier.volume11-
dc.identifier.issue11-
dc.publisher.placeUnited Kingdom-

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