Study of the Fluctuations in Neutron Density in a Homogeneous Plutonium Pile; ETUDE DE LA FLUCTUATION DE LA POPULATION DE NEUTRONS SUR UNE PILE HOMOGENE AU PLUTONIUM
Technical Report
·
OSTI ID:4719291
The variations in neutron density in the center of a reactor core are subjected to a statistical fluctuation phenomenon. Because of the correlations existing between the neutrons, their distribution does not follow Poisson's law. It diverges from it by a quantity depending on various parameters such as the lifetime and the effective fraction of the slowed-down neutrons. Experiments were carried out designed to demonstrate this divergence and also, more particularly, the correlation between unaffected and slowed-down neutrons; these were carried out with the help of Proserpine, a critical homogeneous plutonium assembly. (auth)
- Research Organization:
- France. Commissariat a l'Energie Atomique. Centre d'Etudes Nucleaires, Saclay
- NSA Number:
- NSA-17-021217
- OSTI ID:
- 4719291
- Report Number(s):
- CEA-1690
- Country of Publication:
- France
- Language:
- English
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