Neutron-induced fission cross section of 242Pu from 15 MeV to 20 MeV

JOVANCEVIC, N.; SALVADOR, CASTINEIRA Paula; DARABAN, Laura; VIDALI, Marzio; HEYSE, Jan; OBERSTEDT, Stephan; HAMBSCH, Franz-Josef; BONALDI, Cedric; GEERTS, Wouter

doi:10.1051/epjconf/201714604044

Accurate nuclear-data needs in the fast-neutron-energy region have been recently addressed for the development of next generation nuclear power plants (GEN-IV) by the OECD Nuclear Energy Agency (NEA). This sensitivity study has shown that of particular interest is the 242Pu(n,f) cross section for fast reactor systems. Measurements have been performed with quasi-monoenergetic neutrons in the energy range from 15 MeV to 20 MeV produced by the Van de Graaff accelerator of the JRC-Geel. A twin Frischgrid ionization chamber has been used in a back-to-back configuration as fission fragment detector. The 242Pu(n,f) cross section has been normalized to 238U(n,f) cross section data. The results were compared with existing literature data and show acceptable agreement within 5%.

JOVANCEVIC N.; SALVADOR CASTINEIRA Paula; DARABAN Laura; VIDALI Marzio; HEYSE Jan; OBERSTEDT Stephan; HAMBSCH Franz-Josef; BONALDI Cedric; GEERTS Wouter;

2017-10-25

EDP Sciences

JRC103813

2100 014X,

https://publications.jrc.ec.europa.eu/repository/handle/JRC103813,

10.1051/epjconf/201714604044,

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