NEUTRON MODERATION BY ACOUSTIC MODES OF METAL HYDRIDES | Zendy

E.U. Vaughan | Zendy

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NEUTRON MODERATION BY ACOUSTIC MODES OF METAL HYDRIDES

Author(s) -

E.U. Vaughan

Publication year - 1959

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4198641

Subject(s) - neutron , neutron moderator , neutron scattering , crystal (programming language) , excitation , moderation , atomic physics , hydride , materials science , nuclear physics , neutron cross section , scattering , metal , physics , optics , quantum mechanics , psychology , social psychology , computer science , metallurgy , programming language

>The excitation by nuclear collisions of the acoustic modes of a metal hydride crystal was investigated, using a model of the crystal based on experiments on ZrH/sub 2/, but slightly more general. It is found that these modes contribute little tc neutron moderation in ZrH/sub 2/. In the course of the discussion, a generalized form of the Wilkins equation, which determines the spectrum of neutrons thermalizing in a heavy moderator, is developed, applicable when the scattering cross section varies with energy. (auth

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