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The absolute fission yields of 22 nuclides formed in the thermal neutron fission of U 233  have been measured radiochemically. Disintegration rates were measured by 4π β-proportional counting techniques. The identity of each nuclide was established by chemical separations and decay characteristics as determined by 4π β-counting and γ-ray scintillation spectrometry. The reaction Co 59 (n, γ)Co 60  was used as a neutron flux monitor. Yields were calculated on the basis of [Formula: see text]

ABSOLUTE THERMAL NEUTRON FISSION YIELDS OF U233

ABSOLUTE THERMAL NEUTRON FISSION YIELDS OF U²³³