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Dive into the research topics where K. Tada is active.

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Featured researches published by K. Tada.


Physical Review Letters | 2005

Measurement of neutrino oscillation with KamLAND: Evidence of spectral distortion

T. Araki; K. Eguchi; S. Enomoto; K. Furuno; K. Ichimura; H. Ikeda; K. Inoue; K. Ishihara; T. Iwamoto; T. Kawashima; Y. Kishimoto; M. Koga; Y. Koseki; T. Maeda; T. Mitsui; M. Motoki; Kazuo Nakajima; H. Ogawa; K. Owada; J.-S. Ricol; I. Shimizu; J. Shirai; F. Suekane; A. Suzuki; K. Tada; O. Tajima; K. Tamae; Y. Tsuda; H. Watanabe; J. Busenitz

We present results of a study of neutrino oscillation based on a 766 ton-year exposure of KamLAND to reactor anti-neutrinos. We observe 258 \nuebar\ candidate events with energies above 3.4 MeV compared to 365.2 events expected in the absence of neutrino oscillation. Accounting for 17.8 expected background events, the statistical significance for reactor \nuebar disappearance is 99.998%. The observed energy spectrum disagrees with the expected spectral shape in the absence of neutrino oscillation at 99.6% significance and prefers the distortion expected from \nuebar oscillation effects. A two-neutrino oscillation analysis of the KamLAND data gives \DeltaMSq = 7.9


Nature | 2005

Experimental investigation of geologically produced antineutrinos with KamLAND

T. Araki; S. Enomoto; K. Furuno; Y. Gando; K. Ichimura; H. Ikeda; K. Inoue; Y. Kishimoto; M. Koga; Y. Koseki; T. Maeda; T. Mitsui; M. Motoki; Kazuo Nakajima; H. Ogawa; M. Ogawa; K. Owada; J.-S. Ricol; I. Shimizu; J. Shirai; F. Suekane; A. Suzuki; K. Tada; Sakae Takeuchi; K. Tamae; Y. Tsuda; H. Watanabe; J. Busenitz; T. Classen; Z. Djurcic

^{+0.6}_{-0.5}\times10^{-5}


Journal of Virology | 2001

Human Parvovirus B19 Induces Cell Cycle Arrest at G 2 Phase with Accumulation of Mitotic Cyclins

Eiji Morita; K. Tada; Hiroshi Chisaka; Hironobu Asao; Hiroyuki Sato; Nobuo Yaegashi; Kazuo Sugamura

eV


Physical Review Letters | 2004

High sensitivity search for nu;e's from the sun and other sources at KamLAND.

K. Eguchi; Z. Djurcic; L. A. Winslow; T. Mitsui; K. Ishihara; Koji Inoue; S. Dazeley; Kimimasa Ikeda; P. Vogel; K. Ishii; J. A. Detwiler; H. Watanabe; P. Gorham; W. Bugg; K. Tada; C. E. Okada; A. R. Young; K. Owada; D. A. Dwyer; B. E. Berger; T. Kawashima; J. Shirai; Y.D. Chan; F. Piquemal; M. Koga; I. Shimizu; A. Kozlov; F. Suekane; B.D. Dieterle; T. Iwamoto

^2


European Journal of Pediatrics | 1985

Biochemical study in 28 children with lactic acidosis, in relation to Leigh's encephalomyelopathy.

Shigeaki Miyabayashi; T. Ito; Kuniaki Narisawa; Kazuie Iinuma; K. Tada

. A global analysis of data from KamLAND and solar neutrino experiments yields \DeltaMSq = 7.9


European Journal of Pediatrics | 1987

Non-ketotic hyperglycinaemia: clinical and biochemical aspects

K. Tada; K. Hayasaka

^{+0.6}_{-0.5}\times10^{-5}


Journal of Inherited Metabolic Disease | 1993

Non-ketotic hyperglycinaemia : molecular lesion, diagnosis and pathophysiology

K. Tada; Shigeo Kure

eV


European Journal of Pediatrics | 1991

Chronic pancreatitis in a child with glycogen storage disease type 1

Masahiro Kikuchi; K. Hasegawa; I. Handa; M. Watabe; Kuniaki Narisawa; K. Tada

^2


Journal of Inherited Metabolic Disease | 1987

Immunochemical study in three patients with cytochromec oxidase deficiency presenting leigh's encephalomyelopathy

Shigeaki Miyabayashi; T. Ito; Daiki Abukawa; Kuniaki Narisawa; K. Tada; Masashi Tanaka; Takayuki Ozawa; M. Droste; B. Kadenbach

and \ThetaParam = 0.40


Journal of Inherited Metabolic Disease | 1982

Clinical and biochemical findings on a child with multiple biotin-responsive carboxylase deficiencies

Kuniaki Narisawa; Nobuhiro Arai; Yutaka Igarashi; T. Satoh; K. Tada; Y. Hirooka

^{+0.10}_{-0.07}

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