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Plutonium radiation surrogate

United States Patent

February 2, 2010
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A self-contained source of gamma-ray and neutron radiation suitable for use as a radiation surrogate for weapons-grade plutonium is described. The source generates a radiation spectrum similar to that of weapons-grade plutonium at 5% energy resolution between 59 and 2614 keV, but contains no special nuclear material and emits little .alpha.-particle radiation. The weapons-grade plutonium radiation surrogate also emits neutrons having fluxes commensurate with the gamma-radiation intensities employed.
Frank; Michael I. (Dublin, CA)
The United States of America as represented by the United States Department of Energy (Washington, DC), N/A (
11/ 748,689
May 15, 2007
STATEMENT OF FEDERAL RIGHTS The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48, between the United States Department of Energy and the University of California for the operation of the Lawrence Livermore National Laboratory.