Fourier Method for Calculating Fission Chain Neutron Multiplicity Distributions

David H. Chambers; Hema Chandrasekaran; Sean E. Walston

doi:dx.doi.org/10.13182/NSE15-109

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 184 / Number 2

Fourier Method for Calculating Fission Chain Neutron Multiplicity Distributions

David H. Chambers, Hema Chandrasekaran, Sean E. Walston

Nuclear Science and Engineering / Volume 184 / Number 2 / October 2016 / Pages 244-253

Technical Paper / dx.doi.org/10.13182/NSE15-109

First Online Publication:September 12, 2016

Updated:September 30, 2016

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Articles are hosted by Taylor and Francis Online.

A new way of utilizing the fast Fourier transform is developed to compute the probability distribution for a fission chain to create n neutrons. We then extend this technique to compute the probability distributions for detecting n neutrons. Our technique can be used for fission chains initiated by either a single neutron inducing a fission or by the spontaneous fission of another isotope.