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Interlaboratory Neutron Flux Spectral Measurement Program

Description: This report details an interlaboratory cooperative study undertaken on neutron flux spectral measurements, calculations, and data correlation for reactor irradiation and physics study by various sites. The Testing portion of this study was the irradiation of a wide variety of flux monitors in a special snout capsule holder. The attached sketch shows the capsule holder design, facility design, and the capsule position in relation to adjacent process tubes. A summary of the irradiations performed… more
Date: March 7, 1966
Creator: DeMers, A. E.
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Notes on irradiation of neodymium

Description: The fission product, promethium-147, would be much more desirable as a heat-producing radioisotope if it were not in such short supply. C.A. Rohrmann`s chart ``Characteristics of Radioisotopic Heat Sources`` lists the annual availability of Pm-147 as 5-5 kw, corresponding to about 17 kg. Hence, consideration has been given to irradiation of neodymium-146 in order to augment the supply of Pm-147, A method for separating Nd-146 from other neodymium isotopes does not exist today. This memorandum p… more
Date: June 7, 1966
Creator: Woods, W.K.
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Technical requirements and criteria for the coproduct target element

Description: The technical basis and criteria for five requirements are presented. Requirement 1 is that the coproduct target element shall be compatible with the driver element in the environment of the N-Reactor primary loop. Requirement 2 is that the target element shall be compatible with nuclear safety requirements under all credible accident conditions. Requirement 3 is that the coproduct element shall be unmistakable from other fuel element models in use or expected to be in use during the period 196… more
Date: January 7, 1966
Creator: Evans, T. W.
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