Limit on Neutrinoless<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math>Decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Xe</mml:mi><mml:mprescripts/><mml:none/><mml:mn>136</mml:mn></mml:mmultiscripts></mml:math>from the First Phase of KamLAND-Zen and Comparison with the Positive Claim in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Ge</mml:mi><mml:mprescripts/><mml:none/><mml:mn>76</mml:mn></mml:mmultiscripts></mml:math>

Gando, A.; Gando, Y.; Hanakago, H.; Ikeda, H.; Inoue, K.; Ishidoshiro, K.; Kato, Ryoko; Koga, M.; Matsuda, Sumio; Mitsui, T.; Motoki, D.; Nakada, T.; Nakamura, Keisuke; Obata, A.; Oki, A.; Ono, Yukari; Otani, M.; Shimizu, I.; Shirai, J.; Suzuki, A.; Takemoto, Y.; Tamae, K.; Ueshima, K.; Watanabe, H.; D. Xu, B.; Yamada, S.; P. Yoshida, H.; Kozlov, A.; Yoshida, S.; Banks, T.; J. Freedman, S.; K. Fujikawa, B.; Han, K.; O’Donnell, T.; E. Berger, B.; Efremenko, Y.; J. Karwowski, H.; M. Markoff, D.; Tornow, W.; A. Detwiler, J.; Enomoto, S.; P. Decowski, M.

doi:10.1103/physrevlett.110.062502

Public

Limit on NeutrinolessββDecay ofXe136from the First Phase of KamLAND-Zen and Comparison with the Positive Claim inGe76

Published in Physical Review Letters • Feb 7, 2013

Authors:

A. Gando

Y. Gando

H. Hanakago

Abstract

We present results from the first phase of the KamLAND-Zen double-beta decay experiment, corresponding to an exposure of 89.5 kg yr of $^{136}\mathrm{Xe}$. We obtain a lower limit for the neutrinoless double-beta decay half-life of ${T}_{1/2}^{0\ensuremath{\nu}}>1.9\ifmmode\times\else\texttimes\fi{}...

Subject

MAJORANA

Neutrino

Physics

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