Search for Majorana Neutrinos Near the Inverted Mass Hierarchy Region with KamLAND-Zen.

Gando, A.; Gando, Y.; Hachiya, T.; Hayashi, A.; Hayashida, S.; Ikeda, H.; Inoue, K.; Ishidoshiro, K.; Karino, Y.; Koga, M.; Matsuda, S.; Mitsui, T.; Nakamura, K.; Obara, Shuhei; Oura, T.; Ozaki, H.; Shimizu, I.; Shirahata, Y.; Shirai, J.; Suzuki, A.; Takai, T.; Tamae, K.; Teraoka, Y.; Ueshima, K.; Watanabe, H.; Kozlov, A.; Takemoto, Y.; Yoshida, S.; Fushimi, K.; Banks, T.; Berger, B.; Fujikawa, B.; O’Donnell, T.; Winslow, L.; Efremenko, Y.; Karwowski, H.; Markoff, D.; Tornow, W.; Detwiler, J.; Enomoto, S.; Decowski, M.

doi:10.1103/PhysRevLett.117.082503

Public

Search for Majorana Neutrinos Near the Inverted Mass Hierarchy Region with KamLAND-Zen.

Shared by NobleBlocks on May 10, 2016 • 12:00 AM UTC

Authors:

A. Gando

Y. Gando

T. Hachiya

Abstract

We present an improved search for neutrinoless double-beta (0νββ) decay of ^{136}Xe in the KamLAND-Zen experiment. Owing to purification of the xenon-loaded liquid scintillator, we achieved a significant reduction of the ^{110m}Ag contaminant identified in previous searches. Combining the results fr...

Subject

Physics

Medicine

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