Observation of Two-Neutrino Double-Beta Decay in [superscript 136]Xe with the EXO-200 Detector
We report the observation of two-neutrino double-beta decay in [superscript 136]Xe with T[subscript 1/2]=2.11±0.04(stat)±0.21(syst)×10[superscript 21] yr. This second-order process, predicted by the standard model, has been observed for several nuclei but not for [superscript 136]Xe. The observed d...
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| Format: | Article |
| Language: | English |
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American Physical Society,
2012-05-18T18:41:55Z.
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| Online Access: | Get fulltext |