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Neutron Diffractometer Measurement of the Slow Neutron Spectrum from a Modified Split Reactor Core

G. A. Ferguson, Jr., R. H. VOgt

Nuclear Science and Engineering / Volume 14 / Number 4 / December 1962 / Pages 397-400

Technical Paper / dx.doi.org/10.13182/NSE62-A26248

Neutron diffraction techniques are used to measure the slow neutron spectrum of a beam from the NRL Reactor with a modified split core. The effectiveness of using one or more split fuel elements of special design to optimize the thermal flux is determined. On the basis of the measurements made it is concluded that split elements may be used to reduce the background of high-energy neutrons without depleting the thermal flux in a beam from the core.