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Directional Radiation Detector
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (STC)ORCID iD: 0000-0002-8325-5177
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2007 (English)In: IEEE Nuclear Science Symposium Conference Record, IEEE conference proceedings, 2007, 1162-1165 p.Conference paper, Published paper (Refereed)
Abstract [en]

Many applications likehomeland security, radiation protection, control of fissile material proliferation and other require not only detection of radioactive materials, but also their localization. We are presenting a directional detector based on an array of semiconductor detectors capable to determine direction where the radioactive source is placed. Semiconductor single pad detectors are arranged into rows and separated by a shielding material. Selection of the detectors and shielding material depends on the type and energy of the radiation desired to monitor (i.e. X-rays, gammas or neutrons). Level of the signal, i.e. count rate, in each detector depends on the angle of the incoming radiation. Analysis of the count rate in each detector allows calculating angular position of the source. A series of simulations and evaluating measurements of the directional radiation detection principle is presented.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2007. 1162-1165 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-8068DOI: 10.1109/NSSMIC.2007.4437213Scopus ID: 2-s2.0-48349140841OAI: oai:DiVA.org:miun-8068DiVA: diva2:133116
Conference
IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC; Honolulu, HI; United States; 27 October 2007 through 3 November 2007
Available from: 2009-01-07 Created: 2009-01-07 Last updated: 2017-10-20Bibliographically approved

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Fröjdh, ChristerThungström, Göran
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CiteExportLink to record
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