Measurement of the Thermal-Neutron Extrapolation Length in a Pulsed Water System
- 1 February 1969
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 35 (2) , 259-266
- https://doi.org/10.13182/nse69-a21141
Abstract
As part of a comprehensive project to investigate the validity of pulsed-neutron measurements in small systems, we have measured the extrapolation length in a pulsed light-water system with B2 = 0.11/cm2. Space- and time-dependent flux distributions were obtained with a miniature fission chamber and were analyzed by least-squares techniques. Special attention was paid to the extraction of the fundamental mode and to the overall internal consistency of the results. The thermal-neutron extrapolation length, corrected to 20°C, was found to be 0.300 ± 0.015 cm.Keywords
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