activity
20182026
most citedConstraint on the Matter-Antimatter Symmetry-Violating Phase in Neutrino Oscillations

374 citations · 1.8k across the 53 of their papers we have counts for

collaborators

56 papers

hep-ex2026

Search for the Decay Mode in Super-Kamiokande Using Machine Learning Techniques

Kamiokande Collaboration, J. Feng, K. Abe +296

We report a new partial lifetime limit of years for the trinucleon decay mode , obtained from a searc…

hep-ex2026

Measurement of reconstructed final-state kinematics in charged-current interactions on water using the J-PARC beam and NINJA emulsion detector

NINJA Collaboration, A. Kasumi, S. Han +50

We present a study of charged-particle multiplicities and the kinematic distributions of muons, protons, and charged pions in a flux-integrated sample of charged-current inclusive…

hep-ex2025

Measurement of muon neutrino induced charged current interactions without charged pions in the final state using a new T2K off-axis near detector WAGASCI-BabyMIND

K. Abe, S. Abe, R. Akutsu +398

We report a flux-integrated cross section measurement of muon neutrino interactions on water and hydrocarbon via charged current reactions without charged pions in the final state…

hep-ex2025

Search for neutron decay into an antineutrino and a neutral kaon in 0.401 megaton-years exposure of Super-Kamiokande

Kamiokande Collaboration, K. Yamauchi, K. Abe +261

We searched for bound neutron decay via predicted by the Grand Unified Theories in 0.401 Mtonyears exposure of all pure water phases in the Super-Kamiokande…

hep-ex2025★ 1 cited

Results from the T2K experiment on neutrino mixing including a new far detector -like sample

The T2K Collaboration, K. Abe, S. Abe +404

We have made improved measurements of three-flavor neutrino mixing with 19.7(16.3) protons on target in (anti-)neutrino-enhanced beam modes. A new sample of muon-ne…

hep-ex2024

Search for proton decay via and with a 0.37 Mton-year exposure of Super-Kamiokande

Kamiokande Collaboration, N. Taniuchi, K. Abe +288

A search for proton decay into and a meson has been performed using data from a 0.373 Mtonyear exposure (6050.3 live days) of Super-Kamiokande. Compared to pre…

physics.ins-det2024

Performance evaluation of electron multiplier tubes as a high-intensity muon beam monitor of accelerator neutrino experiments

Takashi Honjo, Yosuke Ashida, Oderich F. Auersperg-Castell +22

Upgrade work towards increasing the beam intensity of the neutrino beamline at J- PARC is underway. Monitoring tertiary muon beams is essential for stable operation of the beamline…

astro-ph.IM2024★ 3 cited

Development of a data overflow protection system for Super-Kamiokande to maximize data from nearby supernovae

M. Mori, K. Abe, Y. Hayato +252

Neutrinos from very nearby supernovae, such as Betelgeuse, are expected to generate more than ten million events over 10\,s in Super-Kamokande (SK). At such large event rates, the…

astro-ph.HE2024

Performance of SK-Gd's Upgraded Real-time Supernova Monitoring System

Y. Kashiwagi, K. Abe, C. Bronner +236

Among multi-messenger observations of the next galactic core-collapse supernova, Super-Kamiokande (SK) plays a critical role in detecting the emitted supernova neutrinos, determini…

hep-ex2024★ 1 cited

Measurements of the charge ratio and polarization of cosmic-ray muons with the Super-Kamiokande detector

H. Kitagawa, T. Tada, K. Abe +253

We present the results of the charge ratio () and polarization () measurements using the decay electron events collected from 2008 September to 2022 June by the Super-K…

physics.ins-det2024★ 23 cited

Second gadolinium loading to Super-Kamiokande

K. Abe, C. Bronner, Y. Hayato +246

The first loading of gadolinium (Gd) into Super-Kamiokande in 2020 was successful, and the neutron capture efficiency on Gd reached 50\%. To further increase the Gd neutron capture…

hep-ex2023★ 46 cited

Solar neutrino measurements using the full data period of Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, C. Bronner +322

An analysis of solar neutrino data from the fourth phase of Super-Kamiokande~(SK-IV) from October 2008 to May 2018 is performed and the results are presented. The observation time…

hep-ex2023★ 35 cited

Atmospheric neutrino oscillation analysis with neutron tagging and an expanded fiducial volume in Super-Kamiokande I-V

Kamiokande Collaboration, T. Wester, K. Abe +233

We present a measurement of neutrino oscillation parameters with the Super-Kamiokande detector using atmospheric neutrinos from the complete pure-water SK I-V (April 1996-July 2020…

hep-ex2023★ 1 cited

Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos in the SK-Gd experiment

S. Sakai, K. Abe, C. Bronner +233

We report the first measurement of the atmospheric neutrino-oxygen neutral-current quasielastic (NCQE) cross section in the gadolinium-loaded Super-Kamiokande (SK) water Cherenkov…

hep-ex2023

Search for Periodic Time Variations of the Solar B Neutrino Flux between 1996 and 2018 in Super-Kamiokande

K. Abe, C. Bronner, Y. Hayato +233

We report a search for time variations of the solar B neutrino flux using 5804 live days of Super-Kamiokande data collected between May 31, 1996, and May 30, 2018. Super-Kamiok…

hep-ex2023★ 6 cited

Measurements of the and -induced Coherent Charged Pion Production Cross Sections on by the T2K experiment

K. Abe, N. Akhlaq, R. Akutsu +380

We report an updated measurement of the -induced, and the first measurement of the -induced coherent charged pion production cross section on nuclei in the T…

astro-ph.HE2023★ 52 cited

Search for astrophysical electron antineutrinos in Super-Kamiokande with 0.01wt% gadolinium-loaded water

M. Harada, K. Abe, C. Bronner +238

We report the first search result for the flux of astrophysical electron antineutrinos for energies O(10) MeV in the gadolinium-loaded Super-Kamiokande (SK) detector. In June 2020,…

hep-ex2023

Updated T2K measurements of muon neutrino and antineutrino disappearance using 3.6 10 protons on target

K. Abe, N. Akhlaq, R. Akutsu +406

Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and non-standard interaction…

hep-ex2023★ 17 cited

First measurement of muon neutrino charged-current interactions on hydrocarbon without pions in the final state using multiple detectors with correlated energy spectra at T2K

K. Abe, N. Akhlaq, R. Akutsu +401

This paper reports the first measurement of muon neutrino charged-current interactions without pions in the final state using multiple detectors with correlated energy spectra at T…

hep-ex2023★ 126 cited

Measurements of neutrino oscillation parameters from the T2K experiment using protons on target

The T2K Collaboration, K. Abe, N. Akhlaq +397

The T2K experiment presents new measurements of neutrino oscillation parameters using protons on target (POT) in (anti-)neutrino mode at the far detector…

hep-ex2022

Measurement of the cosmogenic neutron yield in Super-Kamiokande with gadolinium loaded water

Kamiokande Collaboration, M. Shinoki, K. Abe +238

Cosmic-ray muons that enter the Super-Kamiokande detector cause hadronic showers due to spallation in water, producing neutrons and radioactive isotopes. Those are a major backgrou…

astro-ph.SR2022★ 2 cited

Searching for neutrinos from solar flares across solar cycles 23 and 24 with the Super-Kamiokande detector

K. Okamoto, K. Abe, Y. Hayato +242

Neutrinos associated with solar flares (solar-flare neutrinos) provide information on particle acceleration mechanisms during the impulsive phase of solar flares. We searched using…

hep-ex2022★ 11 cited

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…

hep-ex2022★ 41 cited

Search for Cosmic-ray Boosted Sub-GeV Dark Matter using Recoil Protons at Super-Kamiokande

Kamiokande Collaboration, K. Abe, Y. Hayato +218

We report a search for cosmic-ray boosted dark matter with protons using the 0.37 megatonyears data collected at Super-Kamiokande experiment during the 1996-2018 period (SK…