Two-point theory for the differential self-interrogation Feynman-alpha method

Anderson, Johan,1973Chalmers tekniska högskola,Chalmers University of Technology (author)

A Feynman-alpha formula has been derived in a two region domain pertaining the stochastic differential self-interrogation (DDSI) method and the differential die-away method (DDAA). Monte Carlo simulations have been used to assess the applicability of the variance to mean through determination of the physical reaction intensities of the physical processes in the two domains. More specifically, the branching processes of the neutrons in the two regions are described by the Chapman-Kolmogorov equation, including all reaction intensities for the various processes, that is used to derive a variance to mean relation for the process. The applicability of the Feynman-alpha or variance to mean formulae are assessed in DDSI and DDAA of spent fuel configurations.

Chernikova, Dina,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)dinac (author)
Pazsit, Imre,1948Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)imre (author)
Pal, L.Magyar Tudomanyos Akademia,Hungarian Academy of Sciences (author)
Pozzi, SaraUniversity of Michigan (author)
Chalmers tekniska högskolaMagyar Tudomanyos Akademia (creator_code:org_t)

In:European Physical Journal Plus: Springer Science and Business Media LLC127:8, s. 1-92190-5444

By the author/editor: Anderson, Johan, ...; Chernikova, Dina ...; Pazsit, Imre, 19 ...; Pal, L.; Pozzi, Sara

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