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METHOD FOR THE USE OF FISSION OF U$sup 238$ AND Th$sup 232$ BY FAST NEUTRONS FOR THE MEASUREMENT OF NEUTRON FLUX

W. Koehler, Jimmy Romanos

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Abstract

For the proposed method foils of fissionable material were covered with so-called collector foils'' (aluminum or polyethylene). The calibration of three foils followed on the basis of a known fission rate of U/sup 235/ and by absolute determination of the BETA activity during use of the known regularity of the number of BETA particles per fission depending on the waiting time. A comparison of the flux value measured with U/sup 238/ or Th/sup 232/ with the values from other threshold value detectors (sulfur and phosphorus) resulted in disagreement within the limits of error. (tr-auth)

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What this paper is about

For the proposed method foils of fissionable material were covered with so-called collector foils'' (aluminum or polyethylene). The calibration of three foils followed on the basis of a known fission rate of U/sup 235/ and by absolute determination of the BETA activity during use of the known regularity of the number of BETA particles per fission depending on the waiting time. A comparison of the flux value measured with U/sup 238/ or Th/sup 232/ with the values from other threshold value detectors (sulfur and phosphorus) resulted in disagreement within the limits of error. (tr-auth)

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Available abstract

For the proposed method foils of fissionable material were covered with so-called collector foils'' (aluminum or polyethylene). The calibration of three foils followed on the basis of a known fission rate of U/sup 235/ and by absolute determination of the BETA activity during use of the known regularity of the number of BETA particles per fission depending on the waiting time. A comparison of the flux value measured with U/sup 238/ or Th/sup 232/ with the values from other threshold value detectors (sulfur and phosphorus) resulted in disagreement within the limits of error. (tr-auth)

Key concepts: Fission, Neutron flux, Nuclear physics, Neutron, Flux (metallurgy), Radiochemistry, Uranium-235, Uranium-238

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METHOD FOR THE USE OF FISSION OF U$sup 238$ AND Th$sup 232$ BY FAST NEUTRONS FOR THE MEASUREMENT OF NEUTRON FLUX — Research Paper | ScholarLens