Abstract
We report on a search for neutrinoless double-beta decay of with EXO-200. No signal is observed for an exposure of 32.5 kg yr, with a background of in the region of interest. This sets a lower limit on the half-life of the neutrinoless double-beta decay (90% C.L.), corresponding to effective Majorana masses of less than 140–380 meV, depending on the matrix element calculation.
- Received 24 May 2012
DOI:https://doi.org/10.1103/PhysRevLett.109.032505
© 2012 American Physical Society
Synopsis
Looking for No Neutrinos
Published 19 July 2012
A new limit on the half-life of neutrinoless double-beta decay sets an upper limit on the Majorana neutrino mass
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