‘h similar bomb could be designed for 30 kilotons with
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only a 2% probability of preinitiation.
Dr. Rabi asked how could data be obtained, soon, to decide how
close the design is to the ragged edge, i.e. where one 4s on the yieldcompressioncurve and what the slope is,
The question remained open,
Dr.ERREY suggested2a shot with a 30-kiloton primary.
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70 kLlotons
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and accept yields in the range 604904 Dr; Mayle said this
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Dr, von Neumann asked whether one ‘could de sign the primary bomb for