23 citations · 50 across the 23 of their papers we have counts for
27 papers
First observation of electron antineutrinos from nuclear reactors at Super-Kamiokande
K. Abe, Y. Asaoka, M. Harada +244
In 2020, Super-Kamiokande entered the SK-Gd phase, improving its sensitivity to low-energy electron antineutrinos through the detection of neutrons captured on gadolinium dissolved…
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…
First double-differential measurement of pionless charged-current muon neutrino interactions using kinematic imbalance observables on carbon and oxygen with the T2K experiment
K. Abe, S. Abe, H. Adhikary +402
We report the first measurement of muon-neutrino charged-current cross section as a function of kinematic imbalance (KI) observables on oxygen with no pions and at least one proton…
Signal selection and model-independent extraction of pionless charged-current muon neutrino cross section using double-differential kinematic imbalance observables on carbon and oxygen with the T2K experiment
K. Abe, S. Abe, H. Adhikary +402
We present the first joint measurement of muon neutrino CC interactions on carbon and oxygen targets, in two double-differential kinematic imbalance (KI) observable spaces, $…
Constraining Neutrino Interaction Uncertainties for Neutrino Oscillation Measurements at the T2K Experiment
K. Abe, S. Abe, H. Adhikary +438
In the context of neutrino oscillation measurements from the T2K experiment, the off-axis near detector ND280 plays a crucial role in constraining the incoming neutrino flux and ne…
TeV-scale neutrino cross-section measurement using upward through-going muons in Super-Kamiokande
N. Bhuiyan, K. Abe, Y. Asaoka +248
Neutrinos provide a unique probe of both particle physics and the high-energy universe, traversing astronomical distances with minimal interaction. Their charged-current scattering…
The COHERENT Experiment: 2026 Update
M. Adhikari, M. Ahn, D. Amaya Matamoros +107
The COHERENT experiment measures neutrino-induced recoils from coherent elastic neutrino-nucleus scattering (CEvNS) with multiple nuclear targets at the Spallation Neutron Source (…
First Associated Neutrino Search for a Failed Supernova Candidate with Super-Kamiokande
F. Nakanishi, K. Abe, S. Abe +243
In 2024, a failed supernova candidate, M31-2014-DS1, was reported in the Andromeda galaxy (M31), located at a distance of approximately 770 kpc. In this paper, we search for neutri…
Search for Diffuse Supernova Neutrino Background with 956.2 days of Super-Kamiokande Gadolinium Dataset
K. Abe, S. Abe, Y. Asaoka +245
We report the search result for the Diffuse Supernova Neutrino Background (DSNB) in neutrino energies beyond 9.3~MeV in the gadolinium-loaded Super-Kamiokande (SK) detector with $2…
Joint neutrino oscillation analysis from the T2K and NOvA experiments
NOvA, T2K Collaborations, : +597
The landmark discovery that neutrinos have mass and can change type (or "flavor") as they propagate -- a process called neutrino oscillation -- has opened up a rich array of theore…
Search for nucleon decay via and in 0.484 Mton-year of Super-Kamiokande data
Kamiokande Collaboration, S. Jung, K. Abe +243
We present the results of searches for nucleon decays via and using a 0.484 Mtyr exposure of Super-Kamiokande I-V data covering the…
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…
Testing T2K's Bayesian constraints with priors in alternate parameterisations
The T2K Collaboration, K. Abe, S. Abe +400
Bayesian analysis results require a choice of prior distribution. In long-baseline neutrino oscillation physics, the usual parameterisation of the mixing matrix induces a prior tha…
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…
A simulation model investigation of neutron-oxygen inelastic scattering and subsequent nucleus deexcitation based on experimental data
Y. Hino, Y. Ashida, T. Tano +1
The nuclear interaction model plays an essential role in understanding neutrino-nucleus interactions in large-scale neutrino detectors. For example, in the Super-Kamiokande experim…
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…
First measurement of neutron capture multiplicity in neutrino-oxygen neutral-current quasi-elastic-like interactions using an accelerator neutrino beam
T2K Collaboration, K. Abe, S. Abe +334
We report the first measurement of neutron capture multiplicity in neutrino-oxygen neutral-current quasi-elastic-like interactions at the gadolinium-loaded Super-Kamiokande detecto…
Development of the Beam Monitor Detectors for the Low-E Beamline at the CERN SPS H2 Line
Y. Hino, M. Harada, N. Meguro +7
A series of beam tests were conducted at the KEK AR test beamline in ordet to investigate the performance of a prototype detector for instrumentation in the low-E beamline at the C…
First Measurement of the Electron Neutrino Charged-Current Pion Production Cross Section on Carbon with the T2K Near Detector
K. Abe, S. Abe, R. Akutsu +392
The T2K Collaboration presents the first measurement of electron neutrino-induced charged-current pion production on carbon in a restricted kinematical phase space. This is perform…
First differential measurement of the single production cross section in neutrino neutral-current scattering
K. Abe, S. Abe, R. Akutsu +378
Since its first observation in the 1970s, neutrino-induced neutral-current single positive pion production (NC1) has remained an elusive and poorly understood interaction chan…
Signal selection and model-independent extraction of the neutrino neutral-current single cross section with the T2K experiment
K. Abe, S. Abe, R. Akutsu +378
This article presents a study of single production in neutrino neutral-current interactions (NC1) using the FGD1 hydrocarbon target of the ND280 detector of the T2K expe…
Modification on thermal motion in Geant4 for neutron capture simulation in Gadolinium loaded water
Y. Hino, K. Abe, R. Asaka +10
Neutron tagging is a fundamental technique for electron anti-neutrino detection via the inverse beta decay channel. A reported discrepancy in neutron detection efficiency between o…
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…
Measurement of -rays generated by neutron interaction with O at 30 MeV and 250 MeV
T. Tano, T. Horai, Y. Ashida +10
Deep understanding of -ray production from the fast neutron reaction in water is crucial for various physics studies at large-scale water Cherenkov detectors. We performed test…