Neutrinoless double beta decay search with KamLAND-Zen

研究成果: Conference article査読

抄録

KamLAND-Zen is a neutrinoless double beta decay search experiment based on the 136Xe loaded liquid scintillator. KamLAND-Zen 400 project was already terminated and its latest limit for half life of 0νββ is T1/2 > 1.07 ×1026 years at 90% confidence level. It corresponds to Majorana effective mass hmββi < 61−165 meV. After the KamLAND-Zen 400, we have started KamLAND-Zen 800 project which will use 750 kg xenon and new clean nylon balloon called mini-balloon to contain xenon loaded liquid scintillator. We made mini-balloon with various contamination rejection techniques, and we successfully installed it in KamLAND. Currently we are purifying non-xenon-loaded scintillator in mini-balloon. After the purification, we will dissolve xenon in the liquid scintillator.

本文言語English
ジャーナルProceedings of Science
337
出版ステータスPublished - 2018 1 1
イベント10th Neutrino Oscillation Workshop, NOW 2018 - Ostuni, Brindisi, Italy
継続期間: 2018 9 92018 9 16

ASJC Scopus subject areas

  • 一般

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