
45Physical Basis of Nuclear Forensic Science
units down and two units to the left from the emitting nuclide. Gamma decay and
I
C
i
nvolve
t
ransitions
t
hat
d
o
n
ot
r
esult
i
n
a
c
hange
i
n
t
he
p
osition
o
f
t
he
e
mitting
n
uclide
o
n
t
he
c
hart,
a
lthough
a
n
i
someric
s
tate
m
ay
e
xist.
O
nly
S
F
d
ecay
ca
nnot
b
e
t
racked
o
n
t
he
c
hart
o
f
t
he
n
uclides,
a
s
t
he
nal
p
roducts
o
f
t
his
d
ecay
p
rocess
a
re
u
ndened.
Each
nuclide is represented by a square sufciently large to contain a brief sum-
mary
o
f
s
ome
o
f
i
ts
p
hysical
p
roperties.
W
hen
i
someric
s
tates
e
xist
(
this
t
opic
i
s
c
overed
l
ater
i
n
t
his
b
ook),
t
he
s
quare
i
s
s
ubdivided
t
o
p
resent
t
he
a
dditional
i
nfor-
mation.
S