EPJ Web Conf.
Volume 169, 2018Scientific Workshop on “Nuclear Fission Dynamics and the Emission of Prompt Neutrons and Gamma Rays“ (Theory-4)
|Number of page(s)||6|
|Published online||06 March 2018|
Neutron induced fission of 237Np – status, challenges and opportunities
Joint Institute for Nuclear Physics, 141980 Dubna, Moscow region, Russia
2 Institute for Nuclear Research and Nuclear Energy of BAS, 1784 Sofia, Bulgaria
3 JSC “SSC-RF-IPPE”, 249033 Obninsk, Kaluga region, Russia
4 NRC “Kurchatov Institute”-PNPI, 188300 Gatchina, Leningrad region, Russia
5 European Commission, Joint Research Centre, Directorate G, 2440 Geel, Belgium
6 ELI-NP/IFIN-HH, 077125 Bucharest-Magurele, Romania
* e-mail: firstname.lastname@example.org
Published online: 6 March 2018
Nowadays, there is an increased interest in a complete study of the neutron-induced fission of 237Np. This is due to the need of accurate and reliable nuclear data for nuclear science and technology. 237Np is generated (and accumulated) in the nuclear reactor core during reactor operation. As one of the most abundant long-lived isotopes in spent fuel (“waste”), the incineration of 237Np becomes an important issue. One scenario for burning of 237Np and other radio-toxic minor actinides suggests they are to be mixed into the fuel of future fast-neutron reactors, employing the so-called transmutation and partitioning technology. For testing present fission models, which are at the basis of new generation nuclear reactor developments, highly accurate and detailed neutron-induced nuclear reaction data is needed. However, the EXFOR nuclear database for 237Np on neutron-induced capture cross-section, σγ, and fission cross-section, σf, as well as on the characteristics of capture and fission resonance parameters (Γγ, Γf, σoΓf, fragments mass-energy yield distributions, multiplicities of neutrons vn and γ-rays vγ), has not been updated for decades.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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