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2020•Unpublished venueOpen access

Scission Neutrons from Thermal Neutron induced Fission of 239-Pu and Spontaneous Fission of 252-Cf

A. S. Vorobyev, O. A. Shcherbakov

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Abstract

The properties of “scission” neutrons from thermal-neutron induced fission of 239Pu(nth,f) and spontaneous fission of 252Cf(sf) were obtained by comparing experimental angular and energy distributions of the prompt fission neutrons measured recently at PNPI with model distributions calculated under the assumption that all prompt fission neutrons are emitted from fully accelerated fragments.

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The properties of “scission” neutrons from thermal-neutron induced fission of 239Pu(nth,f) and spontaneous fission of 252Cf(sf) were obtained by comparing experimental angular and energy distributions of the prompt fission neutrons measured recently at PNPI with model distributions calculated under the assumption that all prompt fission neutrons are emitted from fully accelerated fragments.

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Available abstract

The properties of “scission” neutrons from thermal-neutron induced fission of 239Pu(nth,f) and spontaneous fission of 252Cf(sf) were obtained by comparing experimental angular and energy distributions of the prompt fission neutrons measured recently at PNPI with model distributions calculated under the assumption that all prompt fission neutrons are emitted from fully accelerated fragments.

Key concepts: Fission, Cold fission, Fast fission, Prompt neutron, Neutron, Fission product yield, Cluster decay, Spontaneous fission

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