Abstract

The neutron total cross section and the shape of the neutron capture cross section of /sup 232/Th have been measured in the energy range from 0.006 to 18 eV at the Rensselaer Polytechnic Institute Gaerttner Linac Laboratory. The neutron total cross section was obtained from transmission measurements using metallic /sup 232/Th samples and a /sup 6/Li glass neutron detector. The first goal of this work is to determine the total cross section to an accuracy of a few percent. The second goal is to measure the shape of the low-energy capture cross section and to resolve the rather large discrepancy between the results of the two previous measurements. 23 refs.

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