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Hotes on Mtg, 2 Aug '51
TABLE 2
Estimated Fall-out
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Figure 5 is a plot of radiation levels vs Gistance (for 5
megaton fission yield) from G. Pelt's fall-out calculations, the main
structure of which vas based on Trinity, It is noted that predicted
intensity from this graph is greater than from Ogle's estimates. This
is discussed further in Section VI B.
The assumed tower height is 200 ft.
itl.
POSSIBIZ MEASUREMENTS OW A SUPER
Below are listed the measurements which have been spoken of as a
means of assessing performance of a super bomb. They have been given
prelininary consideration only, and the list is not intended as a
definitive outline, ©
DEALER
A.
D
eLetEn DELDey
.
Gemmeas as a Fimction of Time
-
It would be hoped by a measurement of this nature to observe @
on the first fission bomb, the time between the two primary fission
reactions, and if possible the growth of the reaction. At present, it
appears that Krause's ERL group would do such an experiment if done, perhaps utilizing several set-ups of the Ganex type, with the outside of the
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See Sec. C of SD-S441, Memo fr Felt to Graves, 28 Jun 51, "Jangle Fallout Problems", for a description of the theoretical model and the
assumptions used.
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