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gh Mikal for tbe Hagen type bosb with flabadgesand
should
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a‘aman Fay epoetran«
~The effective enargyofthe gama radiation ean
it
be computed from the dosage vereus distance data but additional
peasurements should probably be made using shields of different
materiale and thicknesses. The iron cassettes used at Bikini
‘did not give data which led to absolutely clear interpretation
and, if possible, the material and design should be modified.
Ganme intensity versus times -~ Dr. Tuck's fonisation chembers which
were used at Bikini were net too successful since they were
\Jj incapable of measuring the initial high intensities and did ~~
a not have eufficient tine resolution. High speed camera instro-
SN
Absorption by thick and angular shields - This could be accomplished
eS.
by placing films behind various thicknesses ef shielding material
~
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aiffusenese of the beam could be quite easily measured by means |
ef a series of orientometers containing films for measuring the |
gauma radiation. These could be aimed act only at the center
,
Ro ae eee eeree tee ee Om wither side and above and
below the point of detonatica.
=
wo
provide insuperable difficulties.
Location of source ~ Thelocation of the gamms source and the
a
m4
mentation would appear more desirable and probably would not
placed at different angles to the point of detonation, (This project would not eppear to have exeeptionally high priority
winee it probably eould be done on a laboratory scale if the
roenlte. vere
Sreewith those sbtained from|the ewfentoneters)
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~eve Lew srese-sections‘Ter neutrons with energies between thermal
“Milas,Dn’ fatereaxperimeategther Clemente ebould alse be
flex. In future experiments other elements should also be used,~'":, ead by combining @ number of different slenents it may be possible
. to measure practically the entire neutron energy range. It is
xg
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such measurements have been made for pile neutrons,
ould seem Vo i
een th