Russian Physics Journal

, Volume 53, Issue 6, pp 616–619 | Cite as

Radon-induced background and methods of its elimination in the EDELWEISS-II experiment


The EDELWEISS-II experiment is aimed at direct search for nonbarion cold dark matter. The important problem of the experiment is a decrease in the 222Rn background and its daughter products without which it is impossible to achieve a record sensitivity to the scattering cross section of dark matter particles. A highly sensitive radon detector has been developed by means of which the facility shield is optimized and the total gamma-background is halved. The detector is used in the EDELWEISS-II facility for continuous monitoring of the radon content in the process of data sampling that plays the key role for correct data interpretation.


low-background measurements radon nonbarion dark matter 


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Copyright information

© Springer Science+Business Media, Inc. 2010

Authors and Affiliations

  1. 1.Joint Institute for Nuclear ResearchDubnaRussia

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