A detector for 2-D neutron imaging for the spallation neutron source

C L Britton,W L Bryan,A L Wintenberg,L G Clonts,R J Warmack,Timothy E Mcknight,S S Frank,Robert G Cooper,Nancy J Dudney,Gabriel M Veith

Nuclear Science Symposium Conference Record, 2005 IEEE（2005）

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摘要

We have designed, built, and tested a 2-D pixellated thermal neutron detector. The detector is modeled after the MicroMegas-type structure previously published for collider-type experiments. The detector consists of a 4×4 square array of 1 cm2 pixels each of which is connected to an individual preamplifier-shaper-data acquisition system. The neutron converter is a 10B film on an aluminum substrate. We describe the construction of the detector and the test results utilizing 252Cf sources in Lucite to thermalize the neutrons.

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关键词

data acquisition,imaging,neutron detection,neutron sources,nuclear spallation,position sensitive particle detectors,preamplifiers,2-d neutron imaging,2-d pixellated thermal neutron detector,10b film,252cf sources,micromegas-type structure,aluminum substrate,neutron converter,preamplifier-shaper-data acquisition system,spallation neutron source,data acquisition system,elementary particles

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