Abstract

The behavior of neutrons and gamma rays in a nuclear reactor or configuration of fissile material can be represented as a stochastic process. The observation of this stochastic process is usually achieved by measuring the fluctuations of the neutron and gamma ray population in the system. The formalism developed in the article (Muñoz Cobo, J. L., Perez, R., Valentine, T., Rugama, Y., Mihalczo, J. ([2000]). The stochastic neutron and photon coupled fields: neutron and photon counting statistics in nuclear assemblies, Annals of Nuclear Energy 27:1087–1114.) for the representation of the statistical descriptors of the neutron-photon coupled field is applicable for many neutron noise analysis measurements. One of these applications is the development of a complete theory of the cross power spectral density (CPSD) between a fission chamber containing a Californium-252 source and a neutron and gamma ray detector.

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