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Advances in High Energy Physics
Volume 2013, Article ID 545431, 7 pages
Research Article

Present Status and Future Perspectives for the EXO-200 Experiment

1Department of Physics, Stanford University, Stanford, CA, USA
2Department of Physics, Carleton University, Ottawa, ON, Canada
3TRIUMF, Vancouver, BC, Canada

Received 22 July 2013; Accepted 10 October 2013

Academic Editor: Vincenzo Flaminio

Copyright © 2013 Giorgio Gratta and David Sinclair. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The EXO collaboration has built and operated a 200 kg liquid xenon detector for studies of double beta decay. This paper summarizes the results obtained so far and their significance. The excellent performance of the detector encourages the concept of a much larger detector to obtain improved sensitivity to the possible detection of the neutrinoless decay mode of xenon.