Title: Thermal neutron detection using a silicon pad detector and 6LiF removable converters
Authors: BARBAGALLO M.COSENTINO LuigiFORCINA VittorioMARCHETTA CarmeloPAPPALARDO AlfioPEERANI PaoloSCIRE' CarlottaSCIRE' SergioSCHILLACI MariaVACCARO StefanoVECCHIO GianfrancoFINOCCHIARO Paolo
Citation: REVIEW OF SCIENTIFIC INSTRUMENTS vol. 84 no. 3 p. 033503-1 - 033503-7
Publisher: AMER INST PHYSICS
Publication Year: 2013
JRC N°: JRC79993
ISSN: 0034-6748
URI: http://rsi.aip.org/resource/1/rsinak/v84/i3/p033503_s1?isAuthorized=no
http://publications.jrc.ec.europa.eu/repository/handle/JRC79993
DOI: 10.1063/1.4794768
Type: Articles in periodicals and books
Abstract: A semiconductor detector coupled with a neutron converter is a good candidate for neutron detection, especially for its compactness and reliability if compared with other devices, such as 3He tubes, even though its intrinsic efficiency is rather lower. In this paper we show a neutron detector design consisting of a 3cm x 3cm silicon pad detector coupled with one or two external 6LiF layers, enriched in 6Li at 95%, placed in contact with the Si active surfaces. This prototype, first characterized and tested at INFN Laboratori Nazionali del Sud and then at JRC Ispra, was successfully shown to detect thermal neutrons with the expected efficiency and an oustanding gamma rejection capability.
JRC Directorate:Nuclear Safety and Security

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