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Measurement of cosmic-ray muon spallation products in a xenon-loaded liquid scintillator with KamLAND
Zen Collaboration, S. Abe, S. Asami +63
Cosmic-ray muons produce various radioisotopes when passing through material. These spallation products can be backgrounds for rare event searches such as in solar neutrino, double…
First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND
KamLAND Collaboration, S. Abe, S. Asami +61
We report a measurement of the strange axial coupling constant using atmospheric neutrino data at KamLAND. This constant is a component of the axial form factor of the neut…
Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen
Zen Collaboration, S. Abe, S. Asami +70
The KamLAND-Zen experiment has provided stringent constraints on the neutrinoless double-beta () decay half-life in Xe using a xenon-loaded liquid scintillator. We re…
A Search for Charged Excitation of Dark Matter with the KamLAND-Zen Detector
S. Abe, S. Asami, A. Gando +68
There are many theories where a dark matter particle is part of a multiplet with an electrically charged state. If WIMP dark matter () is accompanied by a charged excited st…
Precision Analysis of the Xe Two-Neutrino Spectrum in KamLAND-Zen and Its Impact on the Quenching of Nuclear Matrix Elements
Zen Collaboration
We present a precision analysis of the Xe two-neutrino electron spectrum above 0.8 MeV, based on high-statistics data obtained with the KamLAND-Zen experiment. An impr…
Search for Majorana Neutrinos near the Inverted Mass Hierarchy Region with KamLAND-Zen
Zen Collaboration
We present an improved search for neutrinoless double-beta () decay of Xe in the KamLAND-Zen experiment. Owing to purification of the xenon-loaded liquid scintillator…
7Be Solar Neutrino Measurement with KamLAND
A. Gando, Y. Gando, H. Hanakago +68
We report a measurement of the neutrino-electron elastic scattering rate of 862 keV 7Be solar neutrinos based on a 165.4 kton-day exposure of KamLAND. The observed rate is 582 +/-…
White paper: CeLAND - Investigation of the reactor antineutrino anomaly with an intense 144Ce-144Pr antineutrino source in KamLAND
A. Gando, Y. Gando, S. Hayashida +57
We propose to test for short baseline neutrino oscillations, implied by the recent reevaluation of the reactor antineutrino flux and by anomalous results from the gallium solar neu…
Limit on Neutrinoless ββ Decay of Xe-136 from the First Phase of KamLAND-Zen and Comparison with the Positive Claim in Ge-76
Zen Collaboration
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 Xe-136. We obtain a lower limit for the neutr…
Measurement of the 8B Solar Neutrino Flux with the KamLAND Liquid Scintillator Detector
KamLAND Collaboration, S. Abe, K. Furuno +77
We report a measurement of the neutrino-electron elastic scattering rate from 8B solar neutrinos based on a 123 kton-day exposure of KamLAND. The background-subtracted electron rec…
Constraints on from A Three-Flavor Oscillation Analysis of Reactor Antineutrinos at KamLAND
The KamLAND Collaboration
We present new constraints on the neutrino oscillation parameters , , and from a three-flavor analysis of sola…
Search for Dark Matter WIMPs using Upward Through-going Muons in Super-Kamiokande
Kamiokande Collaboration, S. Desai, Y. Ashie +133
We present the results of indirect searches for Weakly Interacting Massive Particles (WIMPs) with 1679.6 live days of data from the Super-Kamiokande detector using neutrino-induced…
A search for periodic modulations of the solar neutrino flux in Super-Kamiokande-I
J. Yoo
A search for periodic modulations of the solar neutrino flux was performed using the Super-Kamiokande-I data taken from May 31st, 1996 to July 15th, 2001. The detector's capability…
First Results from KamLAND: Evidence for Reactor Anti-Neutrino Disappearance
KamLAND Collaboration
KamLAND has been used to measure the flux of 's from distant nuclear reactors. In an exposure of 162 tonyr (145.1 days) the ratio of the number of observed inverse…
Search for anti-electron-neutrinos from the Sun at Super-Kamiokande-I
Kamiokande collaboration, Y. Gando
We present the results of a search for low energy from the Sun using 1496 days of data from Super-Kamiokande-I. We observe no significant excess of events and set an uppe…
Search for Supernova Relic Neutrinos at Super-Kamiokande
Kamiokande Collaboration
A search for the relic neutrinos from all past core-collapse supernovae was conducted using 1496 days of data from the Super-Kamiokande detector. This analysis looked for electron-…
Determination of Solar Neutrino Oscillation Parameters using 1496 Days of Super-Kamiokande-I Data
Kamiokande Collaboration
A number of different fits to solar neutrino mixing and mass square difference were performed using 1496 days of Super-Kamiokande-I's solar neutrino data. These data select two all…
16-N as a calibration source for Super-Kamiokande
Kamiokande Collaboration, E. Blaufuss, G. Guillian
The decay of 16-N is used to cross check the absolute energy scale calibration for solar neutrinos established by the electron linear accelerator (LINAC). A deuterium-tritium neutr…
Neutrino-induced upward stopping muons in Super-Kamiokande
Kamiokande Collaboration
A total of 137 upward stopping muons of minimum energy 1.6 GeV are observed by Super-Kamiokande during 516 detector live days. The measured muon flux is 0.39+/-0.04(stat.)+/-0.02(s…
Search for proton decay through p->\barν K^+ in a large water Cherenkov detector
Kamiokande Collaboration, Y. Hayato, M. Earl
We present results of a search for proton decays, , using data from a 33 ktonyear exposure of the Super-Kamiokande detector. Two decay modes of the kaon, $K…
Measurement of the solar neutrino energy spectrum using neutrino-electron scattering
Kamiokande collaboration
A measurement of the energy spectrum of recoil electrons from solar neutrino scattering in the Super--Kamiokande detector is presented. The results shown here are obtained from 504…
Constraints on neutrino oscillation parameters from the measurement of day-night solar neutrino fluxes at Super-Kamiokande
Kamiokande Collaboration, Y. Fukuda, T. Hayakawa +2
A search for day-night variations in the solar neutrino flux resulting from neutrino oscillations has been carried out using the 504 day sample of solar neutrino data obtained at S…
Measurement of tau polarization in e+ e- annihilation at sqrt{s}=58 GeV
H. Hanai
The polarization of tau leptons in the reaction e+ e- --> tau+ tau- has been measured using a e+e- collider, TRISTAN, at the center-of-mass energy of 58 GeV. From the kinematical d…