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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Chris Wagner: The role of Eden Radioisotopes in the future of nuclear medicine
Chris Wagner has more than 40 years of experience in nuclear medicine, beginning as a clinical practitioner before moving into leadership roles at companies like Mallinckrodt (now Curium) and Nordion. His knowledge of both the clinical and the manufacturing sides of nuclear medicine laid the groundwork for helping to found Eden Radioisotopes, a start-up venture that intends to make diagnostic and therapeutic raw material medical isotopes like molybdenum-99 and lutetium-177.
J. F. Carew, P. Neogy
Nuclear Science and Engineering | Volume 91 | Number 1 | September 1985 | Pages 117-122
Technical Note | doi.org/10.13182/NSE85-A17134
Articles are hosted by Taylor and Francis Online.
An analysis of the excitation of neutron flux waves in reactor core transients has been performed. A perturbation theory solution has been developed for the time-dependent thermal diffusion equation in which the absorption cross section undergoes a rapid change, as in a pressurized water reactor rod ejection accident. In this analysis the unperturbed reactor flux states provide the basis for the spatial representation of the flux solution. Using a simplified space-time representation for the cross-section change, the temporal integrations have been carried out and analytic expressions for the modal flux amplitudes determined. The first-order modal excitation strength is determined by the spatial overlap between the initial and final flux states and the cross-section perturbation. The flux wave amplitudes are found to be largest for rapid transients involving large reactivity perturbations.