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Artikel 112001-01


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112001-01  Meitner, Lise und Otto Robert Frisch.
Disintegration of Uranium by Neutrons. A New Type of Nuclear Reaction. SS. 239-240. - Und: O. R. Frisch. Physical Evidence for the Division of Heavy Nuclei under Neutron Bombardment. S. 276. - Und: H. von Halban, F. Joliot und L. Kowarski. Liberation of Neutrons in the Nuclear Explosion of Uranium. SS. 470-471. - Und: L. Meitner und O. R. Frisch. Products of the Fission of the Uranium Nucleus. S. 471-472. - Und: L. Meitner. New Products of the Fission of the Thorium Nucleus. S. 637. In: Nature. Vol. 143. (27 x 19 cm). LIV, 1080 S. Mit zahlreichen Abbildungen. Pappband der Zeit.
London, Macmillan, 1939.
Fünf bedeutende Erstdrucke zur Entdeckung der Kernspaltung. - Zu I: "In 1938 Hahn and Strassmann announced their discovery of barium isotopes among the decay products produced by neutron bombardment of uranium. Hahn and Strassmann had in fact discovered nuclear fission, but they were at a loss to interpret their results... Meitner, at the suggestion of her nephew Otto Frisch, posited that the uranium nucleus breaks up into two smaller nuclei through the mutual repulsion of the many protons in the uranium nucleus... By taking the difference between the mass of the unbombarded uranium nucleus and the slightly smaller total mass of the two fragment nuclei, Meitner calculated, using Einstein's mass-energy equivalence, the large amount of energy that would be released during the fission process. Frisch confirmed Meitner's calculations experimentally in January 1939" (Norman 1487). - PMM 422b. - Zu II: "Frisch's experimental confirmation of nuclear fission" (Norman 845). - PMM 422c. - Zu III: "Halban, Joliot and Kowarski established the theoretical possibility of a self-perpetuating reaction chain" (PMM 422d). - Zu V: "Meitner determined that the fission products of thorium are essentially the same as those of uranium" (Norman 1488). - Stempel auf Titel. Einband gering berieben, sonst gut erhalten

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