Abstract
A National Nuclear Forensic Library (NNFL) is a useful nuclear forensics tool which consists of information and subject matter expertise on radioactive and nuclear (RN) materials produced, used or stored within a State. If RN material is found out of regulatory control the NNFL can be used as part of a nuclear forensics investigation to help identify whether or not the material is consistent with a country’s national holdings. In previous work, a number of signatures which can be useful to identify sealed sources of 241Am were investigated. To validate the measurement results, an official query concerning information about two of the previously investigated 241Am sources was sent to the United States Department of State, the international point-of-contact (POC) for the U.S. NNFL. The aim of this work is to show how data obtained in a characterization of a radioactive source can be used in conjunction with an NNFL to investigate the history of a source out of regulatory control.
Highlights
Nuclear security deals with both nuclear and other radioactive (RN) materials and is an area of interest and ongoing concern in the international community
Nuclear forensics, a subdiscipline of forensic science dealing with the examination of radioactive and nuclear (RN) material, can be an important component of a nuclear security regime
One tool that can be used as part of a nuclear forensics investigation and help determine the history of RN material found out of regulatory control is a National Nuclear Forensics Library (NNFL) [2, 3]
Summary
Nuclear security deals with both nuclear and other radioactive (RN) materials and is an area of interest and ongoing concern in the international community. Nuclear forensics, a subdiscipline of forensic science dealing with the examination of RN material, can be an important component of a nuclear security regime. Nuclear forensics consists of a wide variety of analytical methods and instruments which, often in combined use and after analysis of a subject matter expert, may help to determine signatures or characteristics of the materials, i.e. the identity of the materials, how, when and where the materials were made, and their intended use [2, 3]. One tool that can be used as part of a nuclear forensics investigation and help determine the history of RN material found out of regulatory control is a National Nuclear Forensics Library (NNFL) [2, 3]. At the Nuclear Security Summit in 2016, the U.S announced that [5]:
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