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Neutron Tagging following Atmospheric Neutrino Events in a Water Cherenkov Detector
K. Abe, Y. Haga, Y. Hayato +301
We present the development of neutron-tagging techniques in Super-Kamiokande IV using a neural network analysis. The detection efficiency of neutron capture on hydrogen is estimate…
Indirect Search for Dark Matter from the Galactic Center and Halo with the Super-Kamiokande Detector
Kamiokande Collaboration, K. Abe, C. Bronner +269
We present a search for an excess of neutrino interactions due to dark matter in the form of Weakly Interacting Massive Particles (WIMPs) annihilating in the galactic center or hal…
Test of Lorentz invariance with atmospheric neutrinos
Kamiokande Collaboration, K. Abe, Y. Haga +125
A search for neutrino oscillations induced by Lorentz violation has been performed using 4,438 live-days of Super-Kamiokande atmospheric neutrino data. The Lorentz violation is inc…
Limits on sterile neutrino mixing using atmospheric neutrinos in Super-Kamiokande
Kamiokande Collaboration, K. Abe, Y. Haga +125
We present limits on sterile neutrino mixing using 4,438 live-days of atmospheric neutrino data from the Super-Kamiokande experiment. We search for fast oscillations driven by an e…
Search for Trilepton Nucleon Decay via and in the Super-Kamiokande Experiment
V. Takhistov, K. Abe, Y. Haga +124
The trilepton nucleon decay modes and violate by two units. Using data from a 273.4 kiloton year exposure of Super-Kamiok…
Search for Proton Decay via using 260 kilotonyear data of Super-Kamiokande
Kamiokande Collaboration, K. Abe, Y. Hayato +103
We have searched for proton decay via using Super-Kamiokande data from April 1996 to February 2013, 260 kilotonyear exposure in total. No evidence for…
Measurement of the neutrino-oxygen neutral-current interaction cross section by observing nuclear deexcitation rays
K. Abe, J. Adam, H. Aihara +357
We report the first measurement of the neutrino-oxygen neutral-current quasielastic (NCQE) cross section. It is obtained by observing nuclear deexcitation -rays which follow neu…
Measurement of the intrinsic electron neutrino component in the T2K neutrino beam with the ND280 detector
T2K Collaboration, K. Abe, J. Adam +338
The T2K experiment has reported the first observation of the appearance of electron neutrinos in a muon neutrino beam. The main and irreducible background to the appearance signal…
Precise Measurement of the Neutrino Mixing Parameter θ_{23} from Muon Neutrino Disappearance in an Off-axis Beam
T2K Collaboration, K. Abe, J. Adam +338
New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter theta_{23}. Using an off-axis neutrino beam with a peak…
First Indication of Terrestrial Matter Effects on Solar Neutrino Oscillation
A. Renshaw, K. Abe, Y. Hayato +112
We report an indication that the elastic scattering rate of solar B neutrinos with electrons in the Super-Kamiokande detector is larger when the neutrinos pass through the Eart…
Observation of Electron Neutrino Appearance in a Muon Neutrino Beam
K. Abe, J. Adam, H. Aihara +336
The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28…
Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-axis Beam
T2K collaboration, K. Abe, N. Abgrall +335
The T2K collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are us…
A Search for Nucleon Decay via and in Super-Kamiokande
Kamiokande Collaboration, K. Abe, Y. Hayato +111
We present the results of searches for nucleon decay via bound neutron to antineutrino plus pizero and proton to antineutrino plus piplus using data from a combined 172.8 kiloton-y…
Evidence of Electron Neutrino Appearance in a Muon Neutrino Beam
T2K Collaboration, K. Abe, N. Abgrall +356
The T2K collaboration: reports evidence for electron neutrino appearance at the atmospheric mass splitting, |Δm_{32}^2|=2.4x10^{-3} eV^2. An excess of electron neutrino interaction…
The T2K Neutrino Flux Prediction
T2K Collaboration, K. Abe, N. Abgrall +349
The Tokai-to-Kamioka (T2K) experiment studies neutrino oscillations using an off-axis muon neutrino beam with a peak energy of about 0.6 GeV that originates at the J-PARC accelerat…
Evidence for the Appearance of Atmospheric Tau Neutrinos in Super-Kamiokande
Kamiokande Collaboration
Super-Kamiokande atmospheric neutrino data were fit with an unbinned maximum likelihood method to search for the appearance of tau leptons resulting from the interactions of oscill…
Search for GUT Monopoles at Super-Kamiokande
Kamiokande Collaboration, K. Ueno, K. Abe +109
GUT monopoles captured by the Sun's gravitation are expected to catalyze proton decays via the Callan-Rubakov process. In this scenario, protons, which initially decay into pions,…
Search for Nucleon Decay into Charged Anti-lepton plus Meson in Super-Kamiokande I and II
Kamiokande Collaboration, H. Nishino, K. Abe +105
Searches for a nucleon decay into a charged anti-lepton (e^+ or μ^+) plus a light meson (π^0, π^-, η, ρ^0, ρ^-, ω) were performed using the Super-Kamiokande I and II data. Twelve n…
Supernova Relic Neutrino Search at Super-Kamiokande
Kamiokande Collaboration, K. Bays, T. Iida +104
A new Super-Kamiokande (SK) search for Supernova Relic Neutrinos (SRNs) was conducted using 2853 live days of data. Sensitivity is now greatly improved compared to the 2003 SK resu…
Search for Differences in Oscillation Parameters for Atmospheric Neutrinos and Antineutrinos at Super-Kamiokande
Kamiokande Collaboration, K. Abe, Y. Hayato +109
We present a search for differences in the oscillations of antineutrinos and neutrinos in the Super-Kamiokande -I, -II, and -III atmospheric neutrino sample. Under a two-flavor dis…
Study of Non-Standard Neutrino Interactions with Atmospheric Neutrino Data in Super-Kamiokande I and II
G. Mitsuka, K. Abe, Y. Hayato +104
In this paper we study non-standard neutrino interactions as an example of physics beyond the standard model using atmospheric neutrino data collected during the Super-Kamiokande I…
Indication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam
T2K Collaboration, K. Abe, N. Abgrall +408
The T2K experiment observes indications of appearance in data accumulated with protons on target. Six events pass all selection criteria at…
Solar neutrino results in Super-Kamiokande-III
K. Abe, Y. Hayato, T. Iida +120
The results of the third phase of the Super-Kamiokande solar neutrino measurement are presented and compared to the first and second phase results. With improved detector calibrati…
Atmospheric neutrino oscillation analysis with sub-leading effects in Super-Kamiokande I, II, and III
Kamiokande Collaboration, R. Wendell, C. Ishihara +117
We present a search for non-zero theta_{13} and deviations of sin^2 theta_{23} from 0.5 in the oscillations of atmospheric neutrino data from Super-Kamiokande -I, -II, and -III. No…