AUTHORSzilard, Leo / Zinn, Walter H.
TITLEInstantaneous Emission of Fast Neutrons in the Interaction of Slow Neutrons with Uranium
PERIODICAL TITLEPhysical Review
DATE PUBLISHED1939
VOLUME NUMBER55
ISSUE NUMBER8 (April)
PAGE NUMBERS799-800
ISSN1050-2947
Web Access
Available online from Physical Review Online Archive   (subscription required)


In this classic article, evidence from experiments conducted at Columbia University shows that approximately two neutrons are emitted for each fission of a uranium atom by slow neutrons. That number of emitted neutrons per fission supported the conclusion that a nuclear chain reaction, which could release vast amounts of energy, was possible.


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