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AGA: Arbeitsgruppe Physik und Abrüstung

AGA 3: Verification of the Comprehensive Test Ban Treaty and Nuclear Verification

AGA 3.4: Vortrag

Mittwoch, 19. März 2014, 18:30–19:00, UDL HS2002

Network coverage of the IMS noble gas compoment to detect nuclear explosions — •Michael Schöppner — Institut für Friedensforschung und Sicherheitspolitik an der Universität Hamburg, Beim Schlump 83, 20144 Hamburg

The noble gas component of the International Monitoring System (IMS) is supposed to detect radioxenon fission products from nuclear explosions and thereby deliver proof of the nuclear character of suspicious events. In this work an approach is presented to determine the network coverage of the IMS 133-Xe component. Various parameters that influence the network coverage are identified and included. The global radioxenon background from legitimate facilities has been simulated and the resulting impact on the IMS noble gas component calculated. From this background a station-specific detection criterion has been deducted. Furthermore, emissions from underground as well as surface test explosions of 1kt devices have been simulated for each grid point and time step of one year. The percentage of detectable nuclear explosions has been calculated and analysed for geographical and temporal variances.