Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment
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, Journal Article
Gando, A; Gando, Y; Hanakago, H; Ikeda, H; Inoue, K; Kato, R; Koga, M; Matsuda, S; Mitsui, T; Nakada, T; Nakamura, K; Obata, A; Oki, A ...
Published in: Physical Review C - Nuclear Physics
April 19, 2012
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 T1/22ν=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, T1/20ν>5.7×1024 yr at 90% confidence level (C. L.), which corresponds to almost a fivefold improvement over previous limits. © 2012 American Physical Society.
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Published In
Physical Review C - Nuclear Physics
DOI
EISSN
1089-490X
ISSN
0556-2813
Publication Date
April 19, 2012
Volume
85
Issue
4
Related Subject Headings
- Nuclear & Particles Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
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Gando, A., Gando, Y., Hanakago, H., Ikeda, H., Inoue, K., Kato, R., … Decowski, M. P. (2012). Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment. Physical Review C - Nuclear Physics, 85(4). https://doi.org/10.1103/PhysRevC.85.045504
Gando, A., Y. Gando, H. Hanakago, H. Ikeda, K. Inoue, R. Kato, M. Koga, et al. “Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment.” Physical Review C - Nuclear Physics 85, no. 4 (April 19, 2012). https://doi.org/10.1103/PhysRevC.85.045504.
Gando A, Gando Y, Hanakago H, Ikeda H, Inoue K, Kato R, et al. Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment. Physical Review C - Nuclear Physics. 2012 Apr 19;85(4).
Gando, A., et al. “Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment.” Physical Review C - Nuclear Physics, vol. 85, no. 4, Apr. 2012. Scopus, doi:10.1103/PhysRevC.85.045504.
Gando A, Gando Y, Hanakago H, Ikeda H, Inoue K, Kato R, Koga M, Matsuda S, Mitsui T, Nakada T, Nakamura K, Obata A, Oki A, Ono Y, Shimizu I, Shirai J, Suzuki A, Takemoto Y, Tamae K, Ueshima K, Watanabe H, Xu BD, Yamada S, Yoshida H, Kozlov A, Yoshida S, Banks TI, Detwiler JA, Freedman SJ, Fujikawa BK, Han K, O’Donnell T, Berger BE, Efremenko Y, Karwowski HJ, Markoff DM, Tornow W, Enomoto S, Decowski MP. Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment. Physical Review C - Nuclear Physics. 2012 Apr 19;85(4).
Published In
Physical Review C - Nuclear Physics
DOI
EISSN
1089-490X
ISSN
0556-2813
Publication Date
April 19, 2012
Volume
85
Issue
4
Related Subject Headings
- Nuclear & Particles Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics