Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment
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| Publication date | 2012 |
| Journal | Physical Review C |
| Article number | 045504 |
| Volume | Issue number | 85 | 4 |
| Number of pages | 6 |
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| Abstract | We present results from the KamLAND-Zen double-beta decay experiment based on an exposure of 77.6 days with 129 kg of 136Xe. The measured two-neutrino double-beta decay half-life of 136Xe is T2ν1/2=2.38±0.02(stat)±0.14(syst)×1021 yr, consistent with a recent measurement by EXO-200. We also obtain a lower limit for the neutrinoless double-beta decay half-life, T0ν1/2>5.7×1024 yr at 90% confidence level (C. L.), which corresponds to almost a fivefold improvement over previous limits. |
| Document type | Article |
| Note | KamLAND-Zen Collaboration |
| Language | English |
| Published at | https://doi.org/10.1103/PhysRevC.85.045504 |
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