Cyclotron Plutonium Fission Rate24 June 1943
Using cyclotron-produced plutonium, Segre measures a spontaneous-fission rate low enough to keep the plutonium gun concept viable at this stage.
Historical person
Emilio Gino Segre Biography
Historical biography and chronological timeline for Emilio Gino Segre, based on 3 World History Database records associated with Italy.
3 records1943–19443 events1 places
Chronological biography
1943
Uranium-235 Spontaneous Fission MeasurementDecember 1943
Segre measures a lower-than-expected spontaneous-fission rate for uranium-235, easing design requirements for the uranium gun weapon.
1944
Reactor Plutonium High Fission Rate15 April 1944
Measurements of reactor-produced plutonium show a spontaneous-fission rate far above expectations because of plutonium-240 contamination, threatening the gun method.
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.