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D. Wright, J. Farine, J. J. Russell, J.-L. Vuilleumier, J. Wodin, K. Graham, K. Hall, K. O'Sullivan, K. Pushkin, K. S. Kumar, K. Twelker, L. J. Kaufman, L. Yang, M. Auger, M. Breidenbach, M. Danilov, M. Dunford, M. Hughes, M. J. Dolinski, M. Marino, M. Montero Diez, M. Weber, O. Ya. Zeldovich, P. C. Rowson, P. Fierlinger, P. S. Barbeau, P. Vogel, R. DeVoe, R. Gornea, R. MacLellan, R. Neilson, R. Nelson, S. Cook, S. Delaquis, S. Herrin, S. Slutsky, T. Brunner, T. Daniels, T. N. Johnson, T. Tolba, T. Walton, U. Wichoski, V. Belov, V. Stekhanov, W. Fairbank Jr., W. Feldmeier, Y.-R. Yen","submitted_at":"2012-05-25T03:39:45Z","abstract_excerpt":"We report on a search for neutrinoless double-beta decay of $^{136}$Xe with EXO-200. No signal is observed for an exposure of 32.5 kg-yr, with a background of ~1.5 x 10^{-3} /(kg yr keV) in the $\\pm 1\\sigma$ region of interest. 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