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On the Boundary Condition Between Two Multiplying Media

Description: The transition region between two parts of a pile which have different compositions is investigated. In the case where the moderator is the same in both parts of the pile, it is found that the diffusion constant times thermal neutron density plus diffusion constant times fast neutron density satisfied the use pile equations everywhere, right to the boundary. More complicated formulae apply in a more general case.
Date: April 19, 1944
Creator: Friedman, Francis L. (Francis Lee), 1918- & Wigner, Eugene Paul, 1902-1995
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