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DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
K. Ganguly, A. Sengupta
Nuclear Science and Engineering | Volume 77 | Number 1 | January 1981 | Pages 13-19
Technical Paper | doi.org/10.13182/NSE81-A21335
Articles are hosted by Taylor and Francis Online.
In this paper, interface and source problems are solved by the transport theoretic PN approximation. The usual interface conditions are modified and the TPN method is applied to solve interface problems. A separate TPN approximation based on the constant source Milne problem is formulated for source problems.
