Nuclear Science and Engineering / Volume 47 / Number 4 / April 1972 / Pages 471-472
Technical Note / dx.doi.org/10.13182/NSE72-A22438
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The effect of the time dependence of fission product cross sections on reactivity calculations for large (Pu,U)O2 fueled fast reactors is examined. It is found that this effect is quite small for both operation and shutdown time intervals.