ANALYSIS OF THE AMPLIFICATION OF DEUTERIUM-TRITIUM NEUTRON SOURCES: PART 1 - THEORY.

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Abstract

A deuterium-tritium neutron source is amplified when emitted into a body of material with appreciable (n,2n), (n,3n), and (n,f) cross sections. This amplification is described by a simple theory, approximating the strict integral transport description of the process. The distribution of neutrons in energy, from 14 MeV down to the (n,2n) threshold, is approximated by a generalized slowing down equation, which is similar in form to the infinite medium slowing down equation, and with average collision probabilities taking up the role of scattering fractions.

Original languageEnglish
Pages (from-to)143-152
Number of pages10
JournalNuclear Science and Engineering
Volume91
Issue number2
DOIs
StatePublished - 1 Jan 1985

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