斯德哥尔摩国际和平研究所-Nuclear-forensics-as-nuclear-material-analysis-for-security-purposes_16页_1mb

Nuclear Forensics as Nuclear Material Analysis for Security Purposes

Core Content

Nuclear forensics is a discipline focused on the analysis of nuclear or radioactive materials (NORM) in the context of legal proceedings, particularly to support investigations into illicit trafficking or nuclear terrorism. It is often viewed as a tool for nuclear security, which involves the prevention, detection, and response to unauthorized or criminal acts involving nuclear materials. While this perspective is widely accepted, the paper argues that nuclear forensics has a broader scope and has been used in contexts beyond illicit trafficking, such as non-proliferation and treaty verification.

Main Points

1. Definition and Scope of Nuclear Forensics

• Nuclear forensics is defined by the IAEA as the discipline of forensic science involving the examination of nuclear and other radioactive materials or evidence contaminated with radionuclides, in legal contexts.
• It is not limited to nuclear security but also has roots in nuclear non-proliferation and arms control efforts.
• The discipline was developed to trace and identify nuclear materials involved in unauthorized activities, including nuclear smuggling.

2. Illicit Trafficking and Its Historical Context

• Illicit trafficking of nuclear materials is not a new phenomenon, with early examples dating back to the 1960s, such as the alleged theft of highly enriched uranium (HEU) from a U.S. plant and its transportation to Israel.
• Before the 1990s, nuclear smuggling was considered more of a non-proliferation issue than a security concern.
• The 1990s saw a surge in nuclear smuggling, particularly in the former Soviet states, due to economic decline and loss of state control over nuclear materials.

3. The Role of the European Union

• The EU was at the forefront of developing and promoting nuclear forensics, including the first nuclear forensics examination in 1992, involving the analysis of uranium pellets in Augsburg, Germany.
• The EU worked with the U.S. to establish the Nuclear Smuggling International Technical Working Group (ITWG), which later evolved into the Nuclear Forensics International Technical Working Group (ITWG).

4. Development of Nuclear Security Frameworks

• The 9/11 attacks in 2001 marked a turning point in the evolution of nuclear security, shifting the focus from non-proliferation to nuclear terrorism.
• The IAEA established the Advisory Group on Nuclear Security (AdSec) in 2002, which later led to the formal definition of nuclear security.
• The 2005 International Convention for the Suppression of Acts of Nuclear Terrorism (ICSANT) provided an official definition of nuclear terrorism, linking it to nuclear security.

5. Technical Process of Nuclear Forensics

• The process involves two main steps: characterization (determining physical, chemical, elemental, or isotopic properties) and interpretation (correlating these properties with known production and handling methods).
• Nuclear forensics signatures are used to identify the material and its origin, such as the isotopic composition and trace elements found in a sample.
• The analysis can be used to support nuclear attribution, which is crucial for legal prosecution and intelligence purposes.

6. International Cooperation and Frameworks

• The ITWG, led jointly by the U.S. and the European Commission, played a key role in developing procedures, protocols, and technical tools for nuclear forensics.
• The IAEA published a Reference Manual in 2006, formalizing nuclear forensics as a tool within the nuclear security framework.
• The Statement of Principles from the GICNT in 2006 emphasized the need for international cooperation in nuclear security, including nuclear forensics.

Key Information

• Nuclear smuggling peaked in the early 1990s, with many incidents involving HEU and Pu in Europe and the former Soviet states.
• The ITDB (now ITDB) was established in 1995 to track and analyze these incidents.
• The EU's early involvement in nuclear forensics was critical in shaping the discipline.
• The nuclear security framework evolved significantly after 9/11, with nuclear forensics being increasingly recognized as an essential component.
• The process of nuclear forensics is iterative, not linear, and can be guided by the needs of the investigating authority.
• Nuclear forensics findings are used to support legal and intelligence attribution and prosecution in cases involving illicit nuclear material.

Conclusion

Nuclear forensics has evolved from a tool for non-proliferation and arms control to a central component of nuclear security, especially after the 9/11 attacks. It has been instrumental in tracing and identifying illicit nuclear materials, supporting legal investigations, and enhancing international cooperation. Despite its association with nuclear security, the discipline has a broader application and should continue to expand its scope and integrate with other frameworks to enhance its effectiveness.