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EDP Sciences EPJ Nuclear Sciences & Technologies 11
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    초록·키워드

    In October 2018, the French Society of Nuclear Energy (SFEN/PACA) organized a conference-debate entitled “What happened two billion years ago where present-day Gabon is located? Has Nuclear Power contributed to the development of Life on Earth?” Our contribution to this reflection concerns the possible impact of radiation emitted from radioactive media on the early evolution of living organisms and may also be useful for research on the storage of radioactive waste. This article concerns the qualification of a calculation scheme for isotopic concentrations and energy deposits in Oklo's natural nuclear reactors or any other naturally radioactive environment. Our work has been carried out using a calculation scheme involving the Monte Carlo software TRIPOLI-4 ® [TRIPOLI-4 R, CEA, EDF and AREVA reference Monte Carlo code, https://doi.org/10.1016/j.anucene.2014 . 07.053; TRIPOLI-4 R, Version 4 Manuel de l’utilisateur. Rapport CEA-R-6170 (2008); in French] for the propagation of neutrons and gamma rays in matter and the MENDEL software [DARWIN: An Evolution Code System for a Large Range of Applications, CEA, https://doi.org/10.1080/00223131.2000.10875009 ; MENDEL depletion code, https://doi.org/10.1051/snamc/201402409 ] which deals with the evolution over time of the concentrations of nuclides formed in a material subjected to neutron irradiation. The precision achieved by our methodology will allow to carry out calculations of deposited energy to contribute to the debate on this possible effect of nuclear power on the evolution of Life.

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