| Literature DB >> 22861843 |
M Auger1, D J Auty, P S Barbeau, E Beauchamp, V Belov, C Benitez-Medina, M Breidenbach, T Brunner, A Burenkov, B Cleveland, S Cook, T Daniels, M Danilov, C G Davis, S Delaquis, R deVoe, A Dobi, M J Dolinski, A Dolgolenko, M Dunford, W Fairbank, J Farine, W Feldmeier, P Fierlinger, D Franco, G Giroux, R Gornea, K Graham, G Gratta, C Hall, K Hall, C Hargrove, S Herrin, M Hughes, A Johnson, T N Johnson, A Karelin, L J Kaufman, A Kuchenkov, K S Kumar, D S Leonard, F Leonard, D Mackay, R MacLellan, M Marino, B Mong, M Montero Díez, A R Müller, R Neilson, R Nelson, A Odian, I Ostrovskiy, K O'Sullivan, C Ouellet, A Piepke, A Pocar, C Y Prescott, K Pushkin, P C Rowson, J J Russell, A Sabourov, D Sinclair, S Slutsky, V Stekhanov, T Tolba, D Tosi, K Twelker, P Vogel, J-L Vuilleumier, A Waite, T Walton, M Weber, U Wichoski, J Wodin, J D Wright, L Yang, Y-R Yen, O Ya Zeldovich.
Abstract
We report on a search for neutrinoless double-beta decay of 136Xe with EXO-200. No signal is observed for an exposure of 32.5 kg yr, with a background of ∼1.5×10(-3) kg(-1) yr(-1) keV(-1) in the ±1σ region of interest. This sets a lower limit on the half-life of the neutrinoless double-beta decay T(1/2)(0νββ)(136Xe)>1.6×10(25) yr (90% C.L.), corresponding to effective Majorana masses of less than 140-380 meV, depending on the matrix element calculation.Year: 2012 PMID： 22861843 DOI： 10.1103/PhysRevLett.109.032505
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161