G. M. Gaukler, Y. Ding, C. Li, S. Chirayath,
"A Systems Framework for Modeling the Detection of Smuggled Nuclear Materials,"
Poster presented at The 4th annual Domestic Nuclear Detection Office (DNDO) Academic Research Initiative (ARI) Grantees Conference, Alexandria, Virginia, April 26-28, 2011.
We model a set of layered container inspection policies for
detecting illicit nuclear materials using radiography
information. These inspection policies can be used at
ports-of-entry such as sea ports and land border crossings.
We argue that the current inspection system at ports of entry,
relying heavily on the Automated Targeting System (ATS) and passive
radiation detectors, is inherently incapable of reliably detecting
shielded nuclear materials. This motivates the development of
a set of new inspection policies, which are designed to allow for
improved defense against sophisticated adversaries. We
demonstrate that these new policies can significantly outperform
ATS-based policies. We provide a general framework for
nuclear materials detection using these policies using a port
network, and we discuss how information from upstream inspection
sites can be used to improve detection at downstream sites.
Associated Project(s):SHIELD (Smuggled HEU Interdiction through Enhanced anaLysis and Detection): A Framework for Developing Novel Detection Systems Focused on Interdicting Shielded HEU