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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kemmerling, G. Engels, R. Bussmann, N. Clemens, U. Heiderich, M. Reinartz, R. Rongen, H. Schelten, J. Schwan, D. Zwoll, K. |
| Copyright Year | 2000 |
| Description | Author affiliation: Zentrallabor fur Elektronik, Forschungszentrum Julich GmbH, Germany (Kemmerling, G.) |
| Abstract | A new two-dimensional position sensitive detector system for small angle neutron scattering experiments is under development. It is based on a 60/spl times/60 cm/sup 2/ large /sup 6/Li-glass scintillator for the neutron capture and a dispersion of the emitted light on an array of photomultiplier tubes for the derivation of the event position. For subthermal neutrons of 8 /spl Aring/, an efficiency of 96% and a spatial resolution of 8 mm are to be achieved. Major improvements have been made in the signal and data processing branch, which aims at an electronic dead time of 1 /spl mu/s. A fast digitalization method using free running ADCs for each photomultiplier combined with FPCAs for a parallel event detection in all channels have been applied. A subsequent farm of up to 16 floating point DSPs is to provide enough computing power for an improved reconstruction of the event position according to a maximum likelihood method. |
| File Size | 472266 |
| File Format | |
| ISBN | 0780365038 |
| ISSN | 10823654 |
| DOI | 10.1109/NSSMIC.2000.949122 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2000-10-15 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Scintillation counters Photomultipliers Position sensitive particle detectors Solid scintillation detectors Neutron spin echo Optical arrays Spatial resolution Signal processing Data processing Event detection |
| Content Type | Text |
| Resource Type | Article |
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