Estimation of <sup>99</sup>Mo production rates from natural molybdenum in research reactors

Journal article (2017)

Authors

Menno Blaauw RST/Applied Radiation & Isotopes - AS
D. Ridikas International Atomic Energy Agency, Vienna
L. Muñoz Comisión Chilena de Energía Nuclear (CCHEN)
N. M A Mohamed Atomic Energy Authority (AEA)
D. Párkányi Hungarian Academy of Sciences
T. Singh Bhabha Atomic Research Centre
Dong Duong Van Dong Duong Vietnam Atomic Energy Institute
S. Baytelesov Institute of Nuclear Physics Uzbekistan Academy of Sciences
P. S Bedregal Salas Instituto Peruano de Energia Nuclear Lima
Y. Chakrova Institute of Nuclear Physics of Ministry of Energy of the Republic of Kazakhstan
Cho Eun-Ha Korea Atomic Energy Research Institute
R. Dahalan Malaysian Nuclear Agency
A. H. Fortunato Instituto Nacionale de Investigciones Nucleares
Radojko Jacimovic Jozef Stefan Institute
A. Kling Lisbon Technical University
Research Group
RST/Applied Radiation & Isotopes (AS) (TU Delft)
Copyright: © 2017 Menno Blaauw, D. Ridikas, S. Baytelesov, P. S Bedregal Salas, Y. Chakrova, Cho Eun-Ha, R. Dahalan, A. H. Fortunato, R. Jacimovic, A. Kling, L. Muñoz, N. M A Mohamed, D. Párkányi, T. Singh, Dong Duong Van Dong Duong
DOI
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https://doi.org/10.1007/s10967-016-5036-6
Mo-99 Epithermal neutron self-shielding Research reactor utilization Tc-99 m production
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Published Date

01-01-2017

Language

English

Faculty

Applied Sciences

Department

RST/Radiation, Science and Technology

Research Group

RST/Applied Radiation & Isotopes

Abstract

Molybdenum-99 is one of the most important radionuclides for medical diagnostics. In 2015, the International Atomic Energy Agency organized a round-robin exercise where the participants measured and calculated specific saturation activities achievable for the 98Mo(n,γ)99Mo reaction. This reaction is of interest as a means to locally, and on a small scale, produce 99Mo from natural molybdenum. The current paper summarises a set of experimental results and reviews the methodology for calculating the corresponding saturation activities. Activation by epithermal neutrons and also epithermal neutron self-shielding are found to be of high importance in this case.