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Article | REF: BN3245 V1

Civil plutonium management

Authors: Bruno SICARD, Alain ZAETTA

Publication date: January 10, 2004, Review date: February 4, 2015

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2. Neutron characteristics of Pu

In a reactor loaded with UOX (uranium oxide) fuel, the neutron flux gives rise to transuranics, mainly various isotopes of plutonium.

The radiative capture of neutrons by uranium 238 and the two successive β decays – generate plutonium 239 (figure 1 ).

Transuranium evolution chain
Figure 1  -...
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