Technical methods employed for the On-Site Inspection

M. Takano; V. Krioutchenkov

doi:10.1515/kern-2001-0067

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Article

Technical methods employed for the On-Site Inspection

M. Takano
Dr. Makoto Takano and Dr. Vladimir Krioutchenkov, Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization. Provisional Technical Secretariat, Vienna International Centre, P.O. BOX 1200, A-1400 Vienna, Austria.
and V. Krioutchenkov

Published/Copyright: March 14, 2022

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From the journal Kerntechnik Volume 66 Issue 3

Abstract

In the paper, the technical methods to be used for the on-site inspection (OSI) are reviewed. The main purpose of the OSI is to find evidences of a nuclear explosion conducted anyplace in the world, however, the technical methods described in the paper might be employed for a suspected underground explosion. Various technical methods are described but they can be classified into two categories, namely, technical methods, 1) to identify fission products, and 2) to identify underground evidences. Fission products can be identified by conventional gamma spectrum analysis, however, for the OSI, radioactive Xe and Ar are important nuclides since they are supposed to leak to the ground surface even when the explosion is conducted in deep underground. The seismic and various other technical methods, which might be commonly used by mining industry, can identify the underground evidences, such as a cavity. However, these technical methods might be necessary to be verified to confirm the applicability and effectiveness to OSI objectives.

Abstract

Die technischen Methoden von Vor-Ort-Inspektionen (engl.On-Site-In-spektions, OSI) werden in diesem Papier beschrieben. Der Hauptzweck einer Vor-Ort-Inspektion ist, Anzeichen einer Nuklearexplosion zu finden, die irgendwo in der Welt stattgefunden hat. Die beschriebenen technischen Methoden können auch bei Verdacht einer Untergrundexplosion angewendet werden. Verschiedene technische Methoden werden beschrieben, die in zwei Kategorien klassifiziert werden können: 1 ) Identifikation von Spaltprodukten und 2) Evidenz von Untergrundereignissen. Spaltprodukte können identifiziert werden durch konventionelle Gammaspektrometrie. Eine besondere Rolle spielen Xe und Ar, weil sie an die Erdoberfläche entweichen können, selbst wenn die Explosion in großer Tiefe stattgefunden hat. Die seismische und die verschiedenen anderen technischen Methoden, die auch gemeinsam mit der Bergbauindustrie genutzt werden könnten, können Evidenz von Untergrundexplosionen, wie zum Beispiel Kavitäten, entdecken. Dennoch kann es notwendig werden zu verifizieren, dass diese Methoden auch für OSI Objekte geeignet und effektiv sind.

About the author

Dr. M. Takano

Dr. Makoto Takano and Dr. Vladimir Krioutchenkov, Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization. Provisional Technical Secretariat, Vienna International Centre, P.O. BOX 1200, A-1400 Vienna, Austria.

Acknowledgments

This paper is based on the information provided for OSI training courses and workshops. The authors express their appreciations to the specialists who contributed technical materials for the training courses and the workshops.

Received: 2001-01-25

Published Online: 2022-03-14

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https://doi.org/10.1515/kern-2001-0067