Synchrotron-based high-pressure research in materials science Page: 4 of 7
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Thus, it should be no surprise that the many past efforts to quantify proliferation resistance have
usually led to more frustration than clarity. Confusion and possible technical error also derives
from failure of the technical community to clearly define the full scope of proliferation scenarios,
and/or failure to acknowledge that judgment calls inevitably have to be made by policy makers in
weighing the various scenarios.
The ordinate of Figure 1 sometimes is simply labeled "proliferation resistance", with insufficient
definition of the parameter (or set of parameters) being evaluated. Often it is unclear what set of
proliferation scenarios are being considered. As an example, if the proliferation resistance metric
is global plutonium tonnage, the argument may have merit for limitation or rollback of vertical
proliferation (major arsenal scenarios). However, global plutonium tonnage has relatively little to
do with the very short-term lateral proliferation threats involving very small numbers of weapons
that dominate today's news. Lack of clarity of whether lateral or vertical proliferation is the
scenario being addressed pervades advanced fuel cycle technology development discussions.
Proliferation Resistance of a Fuel Assembly1.4
1.21-
81.0
N) 0.8
c
0
S0.6
.4
a10
20
30
40
50
Years From Original Discharge
60
00s90031
Figure 1. Notional Plot of Proliferation Resistance of Fissile Material
in Spent Nuclear Fuel as a Function of Time and Fuel Cycle. This
plot has been excerpted from the Blue Ribbon Non Proliferation
Panel Committee Status Report (September 15, 2003).B
C
Recycle- A
0.2
0.0
0
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Synchrotron-based high-pressure research in materials science, article, Date Unknown; [Los Alamos, New Mexico]. (https://digital.library.unt.edu/ark:/67531/metadc934161/m1/4/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.