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Proceedings Paper

Position-sensitive detection of thermal neutrons by the combination of Si-detectors with Gd-converter foils
Author(s): Gudrun Bruckner; Helmut Rauch; Alan Rudge; Peter Weilhammer; Wojtek Dulinski
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Paper Abstract

With our work we want to demonstrate that position-sensitive silicon detectors, in combination with gadolinium foil converters, can successfully be used for the detection of thermal neutrons. We set up and tested different detector systems. Starting with a single diode and conventional electronics we determined the efficiency of the Si-Gd- Detector for different neutron wavelengths for both natural Gd and 157Gd as converter. As a next step, we constructed a 16 channel system consisting of a 1D Si-strip detector with 1 mm pitch of strips and integrated readout electronics with self-triggering capability. Encouraged by the results obtained, we started development of a 2D system. We increased the position resolution, as well as the number of channels, and produced a 2D device based on a pad detector with 300 300micrometers 2 pads.

Paper Details

Date Published: 27 February 1997
PDF: 4 pages
Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); doi: 10.1117/12.267850
Show Author Affiliations
Gudrun Bruckner, Atominstitut der Osterreichischen Univ. (Austria)
Helmut Rauch, Atominstitut der Osterreichischen Univ. (Austria)
Alan Rudge, CERN (Switzerland)
Peter Weilhammer, CERN (Switzerland)
Wojtek Dulinski, LEPSI (France)

Published in SPIE Proceedings Vol. 2867:
International Conference Neutrons in Research and Industry
George Vourvopoulos, Editor(s)

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