An improved measurement of the 2νββ half-life of Xe with EXO-200

J.B. Albert, M. Auger, D.J. Auty, P.S. Barbeau, E. Beauchamp, D. Beck, V. Belov, C. Benitez-Medina, J. Bonatt, 4 M. Breidenbach, T. Brunner, A. Burenkov, G.F. Cao, C. Chambers, J. Chaves, B. Cleveland, a S. Cook, T. Daniels, M. Danilov, S.J. Daugherty, C.G. Davis, J. Davis, R. DeVoe, S. Delaquis, A. Dobi, A. Dolgolenko, M.J. Dolinski, M. Dunford, W. Fairbank Jr., J. Farine, W. Feldmeier, P. Fierlinger, D. Franco, D. Fudenberg, G. Giroux, R. Gornea, K. Graham, G. Gratta, C. Hall, K. Hall, C. Hargrove, S. Herrin, M. Hughes, X.S. Jiang, A. Johnson, T.N. Johnson, S. Johnston, A. Karelin, L.J. Kaufman, R. Killick, S. Kravitz, A. Kuchenkov, K.S. Kumar, D.S. Leonard, F. Leonard, C. Licciardi, R. MacLellan, M.G. Marino, B. Mong, M. Montero Dı́ez, D. Moore, R. Nelson, K. O’Sullivan, b A. Odian, I. Ostrovskiy, C. Ouellet, A. Piepke, A. Pocar, C.Y. Prescott, A. Rivas, P.C. Rowson, M.P. Rozo, J.J. Russell, A. Sabourov, c D. Sinclair, d K. Skarpaas, S. Slutsky, V. Stekhanov, V. Strickland, d M. Tarka, T. Tolba, D. Tosi, K. Twelker, P. Vogel, J.-L. Vuilleumier, A. Waite, J. Walton, T. Walton, M. Weber, L.J. Wen, U. Wichoski, J. Wodin, e J.D. Wright, L. Yang, Y.-R. Yen, O.Ya. Zeldovich, and Y.B. Zhao Physics Department and CEEM, Indiana University, Bloomington IN, USA LHEP, Albert Einstein Center, University of Bern, Bern, Switzerland Department of Physics and Astronomy, University of Alabama, Tuscaloosa AL, USA Physics Department, Stanford University, Stanford CA, USA Department of Physics, Laurentian University, Sudbury ON, Canada Physics Department, University of Illinois, Urbana-Champaign IL, USA Institute for Theoretical and Experimental Physics, Moscow, Russia Physics Department, Colorado State University, Fort Collins CO, USA Physics Department, University of Massachusetts, Amherst MA, USA SLAC National Accelerator Laboratory, Stanford CA, USA Institute of High Energy Physics, Beijing, China Physics Department, University of Maryland, College Park MD, USA Department of Physics, Drexel University, Philadelphia PA, USA Physics Department, Carleton University, Ottawa ON, Canada Technische Universität München, Physikdepartment and Excellence Cluster Universe, Garching, Germany Department of Physics, University of Seoul, Seoul, Korea Waste Isolation Pilot Plant, Carlsbad NM, USA Kellogg Lab, Caltech, Pasadena, CA, USA