Heavy Isotope Abundances in Mike Thermonuclear Device

Heavy Isotope Abundances in Mike Thermonuclear Device

The Nov. 1, 1952, thermonuclear explosion ( Mike'') /sup 240/,...U/sup 255/ through multiple neutron capture by U/sup 238/. The long-lived products of successive BETA decays from these isotopes were measured mass spectrometrically and radiometrically. The logarithms of the abundances decli...

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Veröffentlicht in:Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, 1960-01, Vol.119 (6), p.2000-2004
Hauptverfasser: Diamond, H., Fields, P. R., Stevens, C. S., Studier, M. H., Fried, S. M., Inghram, M. G., Hess, D. C., Pyle, G. L., Mech, J. F., Manning, W. M., Ghiorso, A., Thompson, S. G., Higgins, G. H., Seaborg, G. T., Browne, C. I., Smith, H. L., Spence, R. W.
Format: Artikel
Sprache:eng
Schlagworte:
BETA DECAY
CAPTURE
ISOTOPES
MASS NUMBER
MASS SPECTROMETERS
MEASURED VALUES
NEUTRONS
NUCLEAR EXPLOSIONS
PHYSICS
QUANTITY RATIO
URANIUM 231
URANIUM 232
URANIUM 234
URANIUM 235
URANIUM 238
URANIUM 239
URANIUM 240
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Zusammenfassung:The Nov. 1, 1952, thermonuclear explosion ( Mike'') /sup 240/,...U/sup 255/ through multiple neutron capture by U/sup 238/. The long-lived products of successive BETA decays from these isotopes were measured mass spectrometrically and radiometrically. The logarithms of the abundances decline smoothly with increasing mass number; the even-mass abundances slightly exceed the geometric mean of adjacent odd-mass abundances. Some nuclear properties of neutron-rich heavy nuclides, not subject to ordinary investigation, are inferred. (auth)
ISSN:0031-899X
DOI:10.1103/PhysRev.119.2000