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Neutron Distribution Measurements at Pajarito by Means of Photographic Emulsion
A method using photographic emulsions for the study of neutron distributions is described. The construction of a simple machine for producing experimental critical assemblies in which the method has been used is reported. Sources of error are discussed. Curves of the perturbations when small spheres of various materials are placed in the center of the assembly are shown.
Date:
May 15, 1952
Creator:
Young, Dwight S.
System:
The UNT Digital Library
Time Dependence of the Slowing Down of Neutrons with Constant Scattering Mean Free Path
Simple expression are derived for the time dependence of slowing down of neutrons in a simple media. In Section I, a method suggested by age theory is used, while in section II, a two parameter scattering function is employed. Results are compared with exact calculations.
Date:
May 31, 1952
Creator:
Bell, G. I. & Bethe, Hans A. (Hans Albrecht), 1906-2005
System:
The UNT Digital Library