H
Hidetomo Yoshida
Researcher at Osaka University
Publications - 53
Citations - 2164
Hidetomo Yoshida is an academic researcher from Osaka University. The author has contributed to research in topics: Francium & Neutrino. The author has an hindex of 17, co-authored 53 publications receiving 1871 citations. Previous affiliations of Hidetomo Yoshida include Tohoku University.
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Journal ArticleDOI
Limit on neutrinoless ββ decay of Xe136 from the first phase of KamLAND-Zen and comparison with the positive claim in Ge76
A. Gando,Y. Gando,H. Hanakago,H. Ikeda,Kunio Inoue,Kunio Inoue,Koji Ishidoshiro,R. Kato,M. Koga,M. Koga,S. Matsuda,T. Mitsui,D. Motoki,T. Nakada,K. Nakamura,K. Nakamura,A. Obata,A. Oki,Y. Ono,M. Otani,I. Shimizu,J. Shirai,A. Suzuki,Y. Takemoto,K. Tamae,K. Ueshima,Hideki Watanabe,B. D. Xu,Sumio Yamada,Hidetomo Yoshida,A. Kozlov,S. Yoshida,T. I. Banks,T. I. Banks,Stuart J. Freedman,Stuart J. Freedman,Stuart J. Freedman,B. K. Fujikawa,B. K. Fujikawa,B. K. Fujikawa,Ke Han,Ke Han,T. O'Donnell,T. O'Donnell,B. E. Berger,Yu. Efremenko,Yu. Efremenko,Hugon J Karwowski,D. M. Markoff,Werner Tornow,J. A. Detwiler,Sanshiro Enomoto,Sanshiro Enomoto,M. P. Decowski,M. P. Decowski +54 more
TL;DR: The combined results from KamLAND-Zen and EXO-200 give T(1/2)(0ν)>3.4×10(25) yr at 90% C.L., which corresponds to a Majorana neutrino mass limit of <(120-250) meV based on a representative range of available matrix element calculations.
Journal ArticleDOI
Reactor On-Off Antineutrino Measurement with KamLAND
A. Gando,Y. Gando,H. Hanakago,H. Ikeda,Kunio Inoue,Kunio Inoue,Koji Ishidoshiro,H. Ishikawa,M. Koga,M. Koga,R. Matsuda,S. Matsuda,T. Mitsui,D. Motoki,K. Nakamura,K. Nakamura,A. Obata,A. Oki,Y. Oki,M. Otani,I. Shimizu,J. Shirai,A. Suzuki,Y. Takemoto,K. Tamae,K. Ueshima,Hideki Watanabe,B. D. Xu,Sumio Yamada,Y. Yamauchi,Hidetomo Yoshida,A. Kozlov,S. Yoshida,A. Piepke,A. Piepke,T. I. Banks,T. I. Banks,B. K. Fujikawa,B. K. Fujikawa,B. K. Fujikawa,Ke Han,Ke Han,T. O'Donnell,T. O'Donnell,B. E. Berger,B. E. Berger,John G. Learned,S. Matsuno,M. Sakai,Yuri Efremenko,Yuri Efremenko,Hugon J Karwowski,D. M. Markoff,Werner Tornow,J. A. Detwiler,Sanshiro Enomoto,Sanshiro Enomoto,M. P. Decowski,M. P. Decowski +58 more
TL;DR: In this article, a combined three-flavor analysis of solar and KamLAND data gives fit values for the oscillation parameters of tan2θ12=0.436+0.029−0.025, Δm221=7.53 + 0.18 − 0.002, and sin2πθ13=
Journal ArticleDOI
Measurement of the double-β decay half-life of 136Xe with the KamLAND-Zen experiment
A. Gando,Y. Gando,H. Hanakago,H. Ikeda,Kunio Inoue,Kunio Inoue,R. Kato,M. Koga,M. Koga,S. Matsuda,T. Mitsui,T. Nakada,K. Nakamura,K. Nakamura,A. Obata,A. Oki,Y. Ono,I. Shimizu,J. Shirai,A. Suzuki,Y. Takemoto,K. Tamae,K. Ueshima,Hideki Watanabe,B. D. Xu,S. Yamada,Hidetomo Yoshida,A. Kozlov,S. Yoshida,T. I. Banks,J. A. Detwiler,Stuart J. Freedman,Stuart J. Freedman,B. K. Fujikawa,B. K. Fujikawa,Ke Han,T. O'Donnell,B. E. Berger,Yu. Efremenko,Yu. Efremenko,Hugon J Karwowski,D. M. Markoff,Werner Tornow,Sanshiro Enomoto,Sanshiro Enomoto,M. P. Decowski,M. P. Decowski +46 more
TL;DR: In this article, the KamLAND-Zen double-beta decay experiment was used to obtain a lower bound of T1/20ν>5.7×1024 yr at 90% confidence level (C. L.), which corresponds to a fivefold improvement over previous limits.
Journal ArticleDOI
Partial radiogenic heat model for Earth revealed by geoneutrino measurements
A. Gando,Y. Gando,Koichi Ichimura,H. Ikeda,Kunio Inoue,Kunio Inoue,Y. Kibe,Yasuhiro Kishimoto,M. Koga,M. Koga,Y. Minekawa,T. Mitsui,T. Morikawa,N. Nagai,K. Nakajima,K. Nakajima,K. Nakamura,K. Narita,I. Shimizu,Yasuhiro Shimizu,J. Shirai,F. Suekane,A. Suzuki,H. Takahashi,N. Takahashi,Y. Takemoto,K. Tamae,Hideki Watanabe,B. D. Xu,H. Yabumoto,Hidetomo Yoshida,S. Yoshida,Sanshiro Enomoto,A. Kozlov,Hitoshi Murayama,Hitoshi Murayama,C. Grant,G. Keefer,A. Piepke,A. Piepke,T. I. Banks,T. Bloxham,J. A. Detwiler,Stuart J. Freedman,Stuart J. Freedman,B. K. Fujikawa,B. K. Fujikawa,Ke Han,R. W. Kadel,T. O'Donnell,H. M. Steiner,D. A. Dwyer,R. D. McKeown,Chao Zhang,B. E. Berger,C. E. Lane,J. Maricic,T. Miletic,M. Batygov,J. G. Learned,S. Matsuno,M. Sakai,G. A. Horton-Smith,G. A. Horton-Smith,K. E. Downum,Giorgio Gratta,K. Tolich,Yuri Efremenko,Yuri Efremenko,O. Perevozchikov,Hugon J Karwowski,D. M. Markoff,Werner Tornow,K. M. Heeger,K. M. Heeger,M. P. Decowski +75 more
TL;DR: In this paper, the Kamioka Liquid-Scintillator Antineutrino Detector (LSCAD) was used to estimate geoneutrinos, electrically neutral particles that are emitted during radioactive decay and can pass through the Earth virtually unaffected.
Journal ArticleDOI
Limits on Majoron-emitting double-β decays of 136Xe in the KamLAND-Zen experiment
A. Gando,Y. Gando,H. Hanakago,H. Ikeda,Kunio Inoue,Kunio Inoue,R. Kato,M. Koga,M. Koga,S. Matsuda,T. Mitsui,T. Nakada,K. Nakamura,K. Nakamura,A. Obata,A. Oki,Y. Ono,I. Shimizu,J. Shirai,A. Suzuki,Y. Takemoto,K. Tamae,K. Ueshima,Hideki Watanabe,B. D. Xu,S. Yamada,Hidetomo Yoshida,A. Kozlov,S. Yoshida,T. I. Banks,J. A. Detwiler,Stuart J. Freedman,Stuart J. Freedman,B. K. Fujikawa,B. K. Fujikawa,Ke Han,T. O'Donnell,B. E. Berger,Yu. Efremenko,Yu. Efremenko,H. J. Karwowski,D. M. Markoff,Werner Tornow,Sanshiro Enomoto,Sanshiro Enomoto,M. P. Decowski,M. P. Decowski +46 more
TL;DR: In this article, the authors presented limits on Majoron-emitting neutrinoless double-β decay modes based on an exposure of 112.3 days with 125 kg of 136Xe.