activity
20112026
most citedIndication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam

1.4k citations · 2.8k across the 20 of their papers we have counts for

collaborators

23 papers

hep-ex2026

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…

hep-ex2026

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, $…

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

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…

gr-qc2025

Identification of Noise-Associated Glitches in KAGRA O3GK with Hveto

T. Akutsu, M. Ando, M. Aoumi +148

Transient noise ("glitches") in gravitational wave detectors can mimic or obscure true signals, significantly reducing detection sensitivity. Identifying and excluding glitch-conta…

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-ex2025

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…

hep-ex2025

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…

hep-ex2025★ 2 cited

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…

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…

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…

physics.ins-det2022

Scintillator ageing of the T2K near detectors from 2010 to 2021

The T2K Collaboration, K. Abe, N. Akhlaq +355

The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the measurement of charged particles produced in neutrino interac…

hep-ex2019★ 30 cited

Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation -rays

K. Abe, R. Akutsu, A. Ali +330

Neutrino- and antineutrino-oxygen neutral-current quasielastic-like interactions are measured at Super-Kamiokande using nuclear de-excitation -rays to identify signal-like inter…

hep-ex2019★ 374 cited

Constraint on the Matter-Antimatter Symmetry-Violating Phase in Neutrino Oscillations

K. Abe, R. Akutsu, A. Ali +332

The current laws of physics do not explain the observed imbalance of matter and antimatter in the universe. Sakharov proposed that an explanation would require the violation of CP…

hep-ex2019★ 23 cited

Measurement of the muon neutrino charged-current single production on hydrocarbon using the T2K off-axis near detector ND280

K. Abe, R. Akutsu, A. Ali +378

We report the measurements of single and double differential cross section of muon neutrino charged-current interactions on carbon with a single positively charged pion in the fina…

hep-ex2019★ 10 cited

Measurement of the charged-current cross sections on water, hydrocarbon, iron, and their ratios with the T2K on-axis detectors

K. Abe, R. Akutsu, A. Ali +314

We report a measurement of the flux-integrated charged-current cross sections on water, hydrocarbon, and iron in the T2K on-axis neutrino beam with a mean neutrino energy of…

hep-ex2017★ 163 cited

First combined analysis of neutrino and antineutrino oscillations at T2K

T2K Collaboration, K. Abe, J. Amey +316

T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beam. The data…

hep-ex2015★ 37 cited

Measurement of Muon Antineutrino Oscillations with an Accelerator-Produced Off-Axis Beam

T2K collaboration, K. Abe, C. Andreopoulos +326

T2K reports its first measurements of the parameters governing the disappearance of in an off-axis beam due to flavor change induced by neutrino oscillations. The quasimo…

hep-ex2013★ 521 cited

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…

hep-ex2013★ 98 cited

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…

hep-ex2011★ 1.4k cited

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…