M(t) =
.
K(x,W)
“Bad [Daltra(tlta(t) +EDjr,0,r)
|
for the mass contour ratio, and
.
¥D(t) =
6.89 x 10724 y“1
bq Pep(t) Pepl(t)ig(t) + EDeej£2)
for the fraction-of-device contour ratio, in which
i,(t) is the (r/hr)/(atom/sq ft) for the r/hr at a height of 3 ft
from the jth induced radionuclide uniformly deposited on an
c,
~
r¥
ideal plane,
is the capture-to-fission ratio for the jth nuclide,
|
is radiochemical "R" value for the jth nuclide with respect to
the cloud composition,
60
Dy is the instrument response relative to Co’
y standard procedure:
when calibrated
Lp(t),is the (r/ur)/(fission/eq ft) for the r/hr at a height of
3 f due to fission products from thermal-neutron fission of
Ue33 uniformly deposited on an ideal plane,
rpp(t) is the gross fission-product "R" val
valygwith respect to the
ionization rate from unfractionated
fission products
Dp(t) is the gross” anstrument response relative to Co
calibrated by standard procedures,
q is the terrain factor,
when
por/NY
~b is the ratio of fission to total yield,
is the mass correction factor to a surface burst,
Ktx,W) is a peramster depending only on distance ent yield end has
the units mg/fission,
x is the distance (dowmrind) from ground zero in feet, and
-W is the total yield in KT.
Factores for converting d/s to r/br for 1,(t) for various possible induced activities are given in reference 3. Likely values of c, for
tamper induced radionuclides from various types of weapons are given
iii
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