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A COMPUTER PROGRAM FOR DIFFERENTIAL NEUTRON FLUX CALCULATION,

Leroy Gardner,N. F. Shoemaker-1964-08-10-Defense Technical Information Center (DTIC)
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TL;DRAbstract

A computer program is written for the calculation of differential neutron flux spectra in the high energy region. This program utilizes as input data the saturated specific activity of threshold foil detectors, the cross section as a function of energy for the foil's primary reaction, and a first guess of the incident neurtron flux spectrum. The program is an iterative type not depending upon the assumption of any particular spectrum shape. Output data consists of the differential neurtron flux energy spectrum and error statement. Experience has shown that this program converges after a few iterations to within 10 percent of the spectrum given by the last previous iteration. (Author)

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A computer program is written for the calculation of differential neutron flux spectra in the high energy region. This program utilizes as input data the saturated specific activity of threshold foil detectors, the cross section as a function of energy for the foil's primary reaction, and a first guess of the incident neurtron flux spectrum. The program is an iterative type not depending upon the assumption of any particular spectrum shape. Output data consists of the differential neurtron flux energy spectrum and error statement. Experience has shown that this program converges after a few iterations to within 10 percent of the spectrum given by the last previous iteration. (Author)

Keywords

Flux (metallurgy)Computer programNeutronNeutron fluxEnergy (signal processing)Spectral lineSpectrum (functional analysis)Differential (mechanical device)

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