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1957•Physical ReviewOpen access

Correlations between the Neutron Multiplicities and Spontaneous Fission Modes of Californium-252

Donald A. Hicks, John Isle, Robert V. Pyle, Gregory R. Choppin, Bernard G. Harvey

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Abstract

The numbers of prompt neutrons associated with specific fission modes of ${\mathrm{Cf}}^{252}$ have been measured. The average number of neutrons per fission depends largely upon the total kinetic energy of the fission fragments, decreasing by at least 0.06 neutron per fission for an increase of 1 Mev in the total kinetic energy. A less marked variation with the ratio of fragment masses is observed.

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The numbers of prompt neutrons associated with specific fission modes of ${\mathrm{Cf}}^{252}$ have been measured. The average number of neutrons per fission depends largely upon the total kinetic energy of the fission fragments, decreasing by at least 0.06 neutron per fission for an increase of 1 Mev in the total kinetic energy. A less marked variation with the ratio of fragment masses is observed.

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Available abstract

The numbers of prompt neutrons associated with specific fission modes of ${\mathrm{Cf}}^{252}$ have been measured. The average number of neutrons per fission depends largely upon the total kinetic energy of the fission fragments, decreasing by at least 0.06 neutron per fission for an increase of 1 Mev in the total kinetic energy. A less marked variation with the ratio of fragment masses is observed.

Key concepts: Californium, Nuclear physics, Physics, Spontaneous fission, Neutron, Fission, Delayed neutron, Prompt neutron

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