activity
20062026
most citedIndication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam

1.4k citations · 5.9k across the 70 of their papers we have counts for

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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-ex2026

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…

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…

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 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…

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-ex2024

First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data

Super-Kamiokande, T2K collaborations, : +545

The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interacti…

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…

hep-ex2021★ 117 cited

Improved constraints on neutrino mixing from the T2K experiment with protons on target

T2K Collaboration, K. Abe, N. Akhlaq +307

The T2K experiment reports updated measurements of neutrino and antineutrino oscillations using both appearance and disappearance channels. This result comes from an exposure of $1…

hep-ex2021★ 28 cited

First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single- production channel containing at least one proton

K. Abe, N. Akhlaq, R. Akutsu +308

This paper reports the first T2K measurement of the transverse kinematic imbalance in the single- production channel of neutrino interactions. We measure the differential cros…

hep-ex2020★ 16 cited

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

K. Abe, N. Akhlaq, R. Akutsu +311

We report measurements by the T2K experiment of the parameters and which govern the disappearance of muon neutrinos and antineutrinos in the three-flavor PMNS…

hep-ex2020★ 10 cited

Measurements of and charged-current cross-sections without detected pions nor protons on water and hydrocarbon at mean antineutrino energy of 0.86 GeV

K. Abe, N. Akhlaq, R. Akutsu +366

We report measurements of the flux-integrated and charged-current cross-sections on water and hydrocarbon targets using the T2K anti-neutrino beam, with a m…

hep-ex2020★ 56 cited

Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K

K. Abe, N. Akhlaq, R. Akutsu +330

This paper reports the first simultaneous measurement of the double differential muon neutrino charged-current cross section on oxygen and carbon without pions in the final state a…

hep-ex2020★ 33 cited

First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K

K. Abe, R. Akutsu, A. Ali +349

This paper presents the first combined measurement of the double-differential muon neutrino and antineutrino charged-current cross sections with no pions in the final state on hydr…

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★ 17 cited

Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam

K. Abe, R. Akutsu, A. Ali +341

Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of…

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…