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The SPM Method for Neutrons

Report Number: ASD TDR 63-89
Author: Aronson, R.
Author: Heitner, J.
Corporate Author: TRG, Inc.
Laboratory: Directorate of Materials and Processes
Date of Publication: 1963-03
Pages: 64
Contract: AF 33(616)-7732
Project: 7360
Task: 736003
AD Number: AD0403485

The Stochastic Process Method (SPM) was pro grammed for neutron problems and the method was investigated both theoretically and numerically. The problem was analyzed sufficiently to deter mine proper source and interface conditions, as well as appropriate methods of treating scatter ing by hydrogen and inelastic scattering by heavy elements within the spirit of the method. In this report are presented the SPM equations with boundary conditions, a discussion of some of the results, and operating instructions for the IBM 7090 SPM code and for the auxiliary input code GENUC.

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