An investigation of the feasibility of a method for measuring thermal neutron absorption cross sections using the AGN-201 reactor
65_Jenkins.pdf (1.451Mb)Abstract
The feasibility of measuring thermal neutron absorption cross sec-
tion from the results of first-order reactor perturbation theory was investigated. Techniques were developed for this measurement utilizing the AGN-20l reactor of the U. S. Naval Postgraduate School.
These techniques were evaluated by measurement of the thermal ab- sorption cross section of indium using gold-197 as a standard. The result obtained was
194.4± 2.3 barns. A comparison with the most recently published value of this cross sec-
tion, 196±5 barns, demonstrates the feasibility of the method for obtaining improved precision for the measurement of the cross sections of selected materials.
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