Abstract

One of the vulnerabilities faced in modern society is the accidental or intentional dispersal of significant quantities of radionuclides into the environment. The term “dirty bomb” refers to a conventional explosive coupled with radionuclides that are intentionally dispersed when the explosive is detonated. Soon after the terrorist attacks of September 11, 2001, the United States Government commissioned a National Academy of Sciences study to consider the issue of replacement of dangerous radiological sources. Kansas State University is a member of a consortium studying nonproliferation enabling capabilities, including replacement of dangerous radiological sources. Test facilities have been constructed that allow use of a deuterium-tritium (D-T) neutron generator, a machine source of X rays, and radionuclide sources. Various materials can be placed around a tube containing the neutron generator or radionuclide neutron and photon sources, providing an effectively-infinite interaction medium. These test fac...

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