Article | REF: BN3008 V1

Reactor Physics - Modeling and Evaluation of Cross Section

Authors: Eric BAUGE, Cyrille de SAINT JEAN, Stéphane HILAIRE, Anne NICOLAS

Publication date: July 10, 2020

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5. Assimilating experimental data and models: Bayesian inference

Bayesian inference offers a statistical mathematical framework for assimilating measurement information based on a priori knowledge of elementary or integral parameters, in order to reduce the uncertainties of these parameters and modify their values if necessary.

In the case of nuclear data, the information is microscopic and integral for nuclear data and integral for neutron parameters.

5.1 General principles

Assuming that we are looking for the probability of obtaining the parameters

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