Published December 1994 | Version v1
Journal article Metadata-only

Position sensitive detectors for small-angle neutron scattering

Creators

  • 1. Kyushu Univ., Fukuoka (Japan). Dept. of Physics

Description

Two position sensitive neutron detectors have been developed and tested for use in small-angle neutron scattering experiments. One is a large detector of 510x510 mm2 and the other is a small one of 210x210 mm2, which is a scale model of the larger one. Both detectors are based on multi-wire proportional chambers filled with 3He-Ar-CO2(50-47.5-2.5%) at the pressure of 3x105 Pa. The counter gas is purified by heating metallic Ca shots. A delay line method is used for the position registration of detected neutrons. The spatial resolutions are 8 mm (FWHM) and 3 mm (FWHM) in the large detector and the small one, respectively. The detectors have a good performance enough for small-angle neutron scattering experiments. (author)

Additional details

Publishing Information

Journal Title
Annual Reports of the Research Reactor Institute, Kyoto University
Journal Volume
27
Journal Page Range
p. 22-33.
ISSN
0454-9244
CODEN
KURAAV

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
26053288
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Descriptors DEI
FABRICATION; KUR REACTOR; MULTIWIRE PROPORTIONAL CHAMBERS; NEUTRON DETECTORS; PERFORMANCE; POSITION SENSITIVE DETECTORS; RESOLUTION; SMALL ANGLE SCATTERING; STABILITY
Descriptors DEC
ENRICHED URANIUM REACTORS; MEASURING INSTRUMENTS; POOL TYPE REACTORS; PROPORTIONAL COUNTERS; RADIATION DETECTORS; REACTORS; RESEARCH AND TEST REACTORS; RESEARCH REACTORS; SCATTERING; TRAINING REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS