Über das Zerplatzen des Urankernes durch langsame Neutronen.
Abhandlungen der Preußischen Akademie der Wissenschaften. Jahrgang 1939. Mathematisch-naturwissenschaftliche Klasse.
Berlin, Akademie der Wissenschaften, 1939
'In 1938 Hahn and Strassman had demonstrated the presence of radioactive barium, lanthanum and cerium among the products of neutron bombardment of uranium, an observation that seemed to contradict all previous experiences of nuclear physics' (Norman 963). They announced these unexplained findings in an earlier paper published in Naturwissenschaften on January 6th, 1939, but before that wrote to Lise Meitner, then in exile in Copenhagen, 'telling her of their baffling discovery and asking for advice. It was this letter that inspired Meitner and her nephew Otto Frisch to create their hypothesis of a fission process, which they published on 11 February 1939' (Norman). The present paper was presented at the May 25th, 1939 meeting of the Akademie and published on September 18th of that year. The following two papers in this series would not appear until 1942 and 1944.
First edition, first impression, offprint; quarto; original green wrappers printed in black, a little fading along the spine and edges, lightly rubbed at the extremities, an excellent copy, 20pp.
Hook & Norman, Norman Library of Science and Medicine 963.
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