A publication of the Office of Advanced Simulation & Computing, NA-114, NNSA Defense Programs

December 2007

NA-ASC-500-07—Issue
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Weapons Radiochemistry

The radiochemistry team at Los Alamos has compiled the ingoing isotopic ratios of materials for four events of interest to LANL’s Applied Physics (X) Division designers for the first quarter of FY08. Radiochemistry will process these data through a code developed by Chemistry Division, producing radiochemical parameters needed by X Division to run their codes.

Researchers who want more information on these radiochemical parameters may find two invited papers to Defense Research Review currently undergoing
review. They are entitled: “Fundamental data and determination of fission yield as applied at LANL. Part I. (U)” and “Fundamental data and determination of fission yield as applied at LANL. Part II. Re-evaluation of historic 99-Mo K factors (U).”

The work of the LANL radiochemistry team was recently recognized by LANL in the form of a Large Team Distinguished Performance Award for their efforts on the Combined Nuclear Response Team. The team performed dedicated service to the U.S. government before, during, and after the October 9, 2006, North Korean nuclear test. The team demonstrated the ability to apply unique approaches to the challenging and evolving threat of nuclear proliferation.

Radiochemistry team

The Combined Nuclear Test Response Team at LANL

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