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Experimental investigation of a low-cost solid state detector with high spatial resolution for ultracold neutrons

An ultracold-neutron detector based on a commercial CMOS webcam was investigated for the first time at the instrument PF2 of the Institut Laue-Langevin. In this feasibility study two different neutron converters, 10B and 6Li, were compared. For a standard high-definition videochip with an active are...

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Bibliographic Details
Main Authors: Lauer, Thorsten (Author) , Geltenbort, P. (Author) , Hoebel, P. (Author) , Kaoui, M. (Author) , Koch, H. C. (Author) , Kraft, A. (Author) , Schmidt, Ulrich (Author) , Sobolev, Yu. (Author)
Format: Article (Journal)
Language:English
Published: 30 November 2011
In: The European physical journal. A, Hadrons and nuclei
Year: 2011, Volume: 47, Issue: 11, Pages: 1-10
ISSN:1434-601X
DOI:10.1140/epja/i2011-11150-0
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epja/i2011-11150-0
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Author Notes:Th. Lauer, P. Geltenbort, P. Hoebel, M. Kaoui, H.C. Koch, A. Kraft, U. Schmidt, and Yu. Sobolev
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Summary:An ultracold-neutron detector based on a commercial CMOS webcam was investigated for the first time at the instrument PF2 of the Institut Laue-Langevin. In this feasibility study two different neutron converters, 10B and 6Li, were compared. For a standard high-definition videochip with an active area of 3.2 mm × 4.8 mm, a spatial resolution of ≈ 0.3 μm is possible to obtain. For a 430 nm thin 6Li converter, positioned in front of the webcam, a detection efficiency of (47.1 ± 0.6)% was found.
Item Description:Gesehen am 13.07.2022
Physical Description:Online Resource
ISSN:1434-601X
DOI:10.1140/epja/i2011-11150-0

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