superimposed Gaussian curves to 50 percent for peaks poor
in all respects.
Occasionally there is present an enersy
which is too small in photon intensity even for a good esti-
mate to be made as to the quantity.
in the appropriate column in Table 2
ence of such an energy.
The symboi>0 is used
to indicate the pres-
More rarely the symbol
>>O is
used to indicate the presence of an energy too poorly resolved
(although not necessarily very small in intensity) to warrant
an estimated quantitative listing.
In some cases there appear to be discrepancies between
photon intensities from the same lines taken at nearly the*
same time for the two gain settings.
Most of these inten-
sities are not discrepant, however, by much more than the
root
te
Pet}
estimated error would allow.
In those cases where the dif-
ference is too large, the estimated errors should be increased.
However, some of the differences seem predominantly
one-sided,
This inconsistency is especially noticeable for
some of the 220 kev lines, i.e.,areas recorded at high gain
are lower than comparable areas recorded at standard gain,
sometimes by as much as 30 percent.
the resolution curves of Fig. 4.
This effect appears in
For many of the 105 kev
lines compared, the effect is reversed, i.e. the areas recorded
at high gain are higher than comparable areas recorded at
standard gain.
It is possible to account for the latter
24