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An Analysis Of Neutron Resonance Detectors In Critical Uranyl-Fluoride Heavy Water Systems., William H. Roach
An Analysis Of Neutron Resonance Detectors In Critical Uranyl-Fluoride Heavy Water Systems., William H. Roach
Nuclear Engineering ETDs
The measurement of neutron flux spectra in reactors is a problem which can be approached in several ways, depending on the information desired. For high energy measurements, threshold detectors are often used; if spatial information of the flux is required, some type of fission detector may be employed. For flux magnitude measurements in the epithermal energy range, foils of elements which have strong neutron absorption resonances are commonly utilized. If the resonance is sufficiently isolated from other resonances and the contribution from the resonance to the total resonance absorption integral of the element is large, then it is a fairly …