papers

Publications (139)

hep-ex2015

Neutrino Oscillation Physics Potential of the T2K Experiment

K. Abe, J. Adam, H. Aihara +342

The observation of the recent electron neutrino appearance in a muon neutrino beam and the high-precision measurement of the mixing angle have led to a re-evaluation of t…

hep-ex2015

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with 6.6E20 protons on target

T2K Collaboration, K. Abe, J. Adam +346

We report on measurements of neutrino oscillation using data from the T2K long-baseline neutrino experiment collected between 2010 and 2013. In an analysis of muon neutrino disappe…

astro-ph.HE2019

Search for Astronomical Neutrinos from Blazar TXS0506+056 in Super-Kamiokande

K. Hagiwara, K. Abe, C. Bronner +169

We report a search for astronomical neutrinos in the energy region from several GeV to TeV in the direction of the blazar TXS0506+056 using the Super-Kamiokande detector following…

physics.ins-det2018

Hyper-Kamiokande Design Report

Hyper-Kamiokande Proto-Collaboration, :, K. Abe +313

On the strength of a double Nobel prize winning experiment (Super)Kamiokande and an extremely successful long baseline neutrino programme, the third generation Water Cherenkov dete…

hep-ex2014

Light sterile neutrino sensitivity at the nuSTORM facility

D. Adey, S. K. Agarwalla, C. M. Ankenbrandt +109

A facility that can deliver beams of electron and muon neutrinos from the decay of a stored muon beam has the potential to unambiguously resolve the issue of the evidence for light…

hep-ex2019

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 inte…

hep-ex2018

First measurement of the charged-current cross section without pions in the final state on a water target

T2K Collaboration, K. Abe, J. Amey +303

This paper reports the first differential measurement of the charged-current interaction cross section of on water with no pions in the final state. This flux-averaged meas…

hep-ex2020

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…

astro-ph.HE2022

Search for supernova bursts in Super-Kamiokande IV

Kamiokande collaboration, M. Mori, K. Abe +242

Super-Kamiokande has been searching for neutrino bursts characteristic of core-collapse supernovae continuously, in real time, since the start of operations in 1996. The present wo…

hep-ex2021

New Methods and Simulations for Cosmogenic Induced Spallation Removal in Super-Kamiokande-IV

Kamiokande Collaboration, S. Locke, A. Coffani +215

Radioactivity induced by cosmic muon spallation is a dominant source of backgrounds for MeV neutrino interactions in water Cherenkov detectors. In particular, it…

physics.ins-det2011

The T2K Experiment

T2K Collaboration, K. Abe, N. Abgrall +520

The T2K experiment is a long-baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle θ_{13} by observing ν_e appearance…

hep-ex2020

Neutron-Antineutron Oscillation Search using a 0.37 MegatonYear Exposure of Super-Kamiokande

Kamiokande Collaboration, K. Abe, C. Bronner +196

As a baryon number violating process with , neutron-antineutron oscillation () provides a unique test of baryon number conservation. We have performed a search f…

hep-ex2016

Measurement of coherent production in low energy neutrino-Carbon scattering

K. Abe, C. Andreopoulos, M. Antonova +336

We report the first measurement of the flux-averaged cross section for charged current coherent production on carbon for neutrino energies less than 1.5 GeV to a restricte…

astro-ph.HE2023

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,…

astro-ph.HE2021

Search for Tens of MeV Neutrinos associated with Gamma-Ray Bursts in Super-Kamiokande

Kamiokande Collaboration, A. Orii, K. Abe +216

A search for neutrinos produced in coincidence with Gamma-Ray Bursts(GRB) was conducted with the Super-Kamiokande (SK) detector. Between December 2008 and March 2017, the Gamma-ray…

hep-ex2016

Measurement of the production cross section in collisions at TeV

CDF Collaboration, T. Aaltonen, S. Amerio +396

We describe a measurement of the ratio of the cross sections times branching fractions of the meson in the decay mode to the meson in the…

hep-ex2016

Solar Neutrino Measurements in Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, Y. Haga +167

Upgraded electronics, improved water system dynamics, better calibration and analysis techniques allowed Super-Kamiokande-IV to clearly observe very low-energy 8B solar neutrino in…

hep-ex2023

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…

physics.ins-det2011

Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector

K. Abe, N. Abgrall, Y. Ajima +428

Precise measurement of neutrino beam direction and intensity was achieved based on a new concept with modularized neutrino detectors. INGRID (Interactive Neutrino GRID) is an on-ax…

hep-ex2026

Neutron multiplicity measurement in muon capture on oxygen nuclei in the Gd-loaded Super-Kamiokande detector

Kamiokande Collaboration, S. Miki, K. Abe +282

In recent neutrino detectors, neutrons produced in neutrino reactions play an important role. Muon capture on oxygen nuclei is one of the processes that produce neutrons in water C…

hep-ex2022

Testing Non-Standard Interactions Between Solar Neutrinos and Quarks with Super-Kamiokande

Kamiokande Collaboration, P. Weatherly, K. Abe +268

Non-Standard Interactions (NSI) between neutrinos and matter affect the neutrino flavor oscillations. Due to the high matter density in the core of the Sun, solar neutrinos are sui…

hep-ex2020

Search for proton decay via and with an enlarged fiducial volume in Super-Kamiokande I-IV

Kamiokande Collaboration, A. Takenaka, K. Abe +211

We have searched for proton decay via and modes with the enlarged fiducial volume data of Super-Kamiokande from April 1996 to May 2018, which corresp…

hep-ex2022

Search for proton decay via in 0.37 megaton-years exposure of Super-Kamiokande

Kamiokande Collaboration, R. Matsumoto, K. Abe +229

We searched for proton decay via in 0.37\,Mtonyears of data collected between 1996 and 2018 from the Super-Kamiokande water Cherenkov experiment. The selection…

astro-ph.HE2021

Search for neutrinos in coincidence with gravitational wave events from the LIGO-Virgo O3a Observing Run with the Super-Kamiokande detector

Kamiokande collaboration, K. Abe, C. Bronner +209

The Super-Kamiokande detector can be used to search for neutrinos in time coincidence with gravitational waves detected by the LIGO-Virgo Collaboration (LVC). Both low-energy ($7-1…

hep-ex2023

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 t…

hep-ex2019

Search for neutral-current induced single photon production at the ND280 near detector in T2K

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

Neutrino neutral-current induced single photon production is a sub-leading order process for accelerator-based neutrino beam experiments including T2K. It is, however, an important…

hep-ex2017

Search for Lorentz and CPT violation using sidereal time dependence of neutrino flavor transitions over a short baseline

K. Abe, J. Amey, C. Andreopoulos +354

A class of extensions of the Standard Model allows Lorentz and CPT violations, which can be identified by the observation of sidereal modulations in the neutrino interaction rate.…

astro-ph.HE2026

Development of Faster and More Accurate Supernova Localization at Super-Kamiokande

K. Abe, Y. Asaoka, M. Harada +272

The next nearby core-collapse supernova (SN) promises to yield a treasure of scientific information through multi-messenger astronomy. Early observations of the shock breakout (SBO…

hep-ex2018

Search for CP violation in Neutrino and Antineutrino Oscillations by the T2K experiment with protons on target

K. Abe, R. Akutsu, A. Ali +319

The T2K experiment measures muon neutrino disappearance and electron neutrino appearance in accelerator-produced neutrino and antineutrino beams. With an exposure of $14.7(7.6)\tim…

hep-ex2023

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.HE2025

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…

hep-ex2020

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-ex2019

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-ex2024

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-…

physics.acc-ph2013

nuSTORM - Neutrinos from STORed Muons: Proposal to the Fermilab PAC

D. Adey, S. K. Agarwalla, C. M. Ankenbrandt +110

The nuSTORM facility has been designed to deliver beams of electron neutrinos and muon neutrinos (and their anti-particles) from the decay of a stored muon beam with a central mome…

hep-ex2019

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-ex2021

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…

astro-ph.HE2018

Search for Neutrinos in Super-Kamiokande associated with the GW170817 neutron-star merger

K. Abe, C. Bronner, Y. Hayato +160

We report the results of a neutrino search in Super-Kamiokande for coincident signals with the first detected gravitational wave produced by a binary neutron star merger, GW170817,…

hep-ex2016

Measurements of the atmospheric neutrino flux by Super-Kamiokande: energy spectra, geomagnetic effects, and solar modulation

E. Richard, K. Okumura, K. Abe +126

A comprehensive study on the atmospheric neutrino flux in the energy region from sub-GeV up to several TeV using the Super-Kamiokande water Cherenkov detector is presented in this…

physics.ins-det2014

Letter of Intent to Construct a nuPRISM Detector in the J-PARC Neutrino Beamline

S. Bhadra, A. Blondel, S. Bordoni +47

As long-baseline neutrino experiments enter the precision era, the difficulties associated with understanding neutrino interaction cross sections on atomic nuclei are expected to l…

physics.ins-det2014

Measurement of the muon beam direction and muon flux for the T2K neutrino experiment

K. Suzuki, S. Aoki, A. Ariga +30

The Tokai-to-Kamioka (T2K) neutrino experiment measures neutrino oscillations by using an almost pure muon neutrino beam produced at the J-PARC accelerator facility. The T2K muon m…

hep-ex2023

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-ex2019

First Measurement of the Charged Current Double Differential Cross Section on a Water Target without Pions in the final state

K. Abe, R. Akutsu, A. Ali +322

This paper reports the first differential measurement of the charged-current interaction cross section on water with no pions in the final state. The unfolded flux…

hep-ex2015

Measurement of the CCQE cross section on carbon with the ND280 detector at T2K

T2K Collaboration, K. Abe, J. Adam +342

The Charged-Current Quasi-Elastic (CCQE) interaction, , is the dominant CC process at GeV and contributes to the signal in accelerato…

hep-ex2026

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…

hep-ex2017

Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of interactions at the far detector

K. Abe, J. Amey, C. Andreopoulos +292

The T2K experiment reports an updated analysis of neutrino and antineutrino oscillations in appearance and disappearance channels. A sample of electron neutrino candidates at Super…

hep-ex2023

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…

hep-ex2015

Measurement of the charged current quasi-elastic cross-section on carbon with the T2K on-axis neutrino beam

K. Abe, J. Adam, H. Aihara +346

We report a measurement of the charged current quasi-elastic cross-sections on carbon in the T2K on-axis neutrino beam. The measured charged current quasi-elastic cross-sec…

astro-ph.HE2021

Diffuse Supernova Neutrino Background Search at Super-Kamiokande

Kamiokande Collaboration, K. Abe, C. Bronner +216

A new search for the diffuse supernova neutrino background (DSNB) flux has been conducted at Super-Kamiokande (SK), with a -ktonday exposure from its fourth…

hep-ex2019

Measurement of neutrino-oxygen neutral-current quasi-elastic cross section using atmospheric neutrinos at Super-Kamiokande

Kamiokande Collaboration, L. Wan, K. Abe +164

Neutral current (NC) interactions of atmospheric neutrinos on oxygen form one of the major backgrounds in the search for supernova relic neutrinos with water-based Cherenkov detect…

hep-ex2019

Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

K. Abe, R. Akutsu, A. Ali +318

We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7 (7.6) protons on target i…

astro-ph.HE2018

Search for an excess of events in the Super-Kamiokande detector in the directions of the astrophysical neutrinos reported by the IceCube Collaboration

Kamiokande Collaboration, K. Abe, C. Bronner +158

We present the results of a search in the Super-Kamiokande (SK) detector for excesses of neutrinos with energies above a few GeV that are in the direction of the track events repor…

astro-ph.HE2016

Search for Neutrinos in Super-Kamiokande associated with Gravitational Wave Events GW150914 and GW151226

K. Abe, K. Haga, Y. Hayato +130

We report the results from a search in Super-Kamiokande for neutrino signals coincident with the first detected gravitational wave events, GW150914 and GW151226, using a neutrino e…

hep-ex2014

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

K. Abe, J. Adam, H. Aihara +318

The T2K off-axis near detector, ND280, is used to make the first differential cross-section measurements of electron neutrino charged current interactions at energies ~1 GeV as a f…

physics.ins-det2019

J-PARC Neutrino Beamline Upgrade Technical Design Report

K. Abe, H. Aihara, A. Ajmi +381

In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data c…

hep-ex2017

Measurement of the single production rate in neutral current neutrino interactions on water

T2K Collaboration, K. Abe, J. Amey +359

The single production rate in neutral current neutrino interactions on water in a neutrino beam with a peak neutrino energy of 0.6 GeV has been measured using the PØD, one…

hep-ex2015

Physics Potential of a Long Baseline Neutrino Oscillation Experiment Using J-PARC Neutrino Beam and Hyper-Kamiokande

Hyper-Kamiokande Proto-Collaboraion, :, K. Abe +247

Hyper-Kamiokande will be a next generation underground water Cherenkov detector with a total (fiducial) mass of 0.99 (0.56) million metric tons, approximately 20 (25) times larger…

astro-ph.HE2019

Sensitivity of Super-Kamiokande with Gadolinium to Low Energy Anti-neutrinos from Pre-supernova Emission

C. Simpson, K. Abe, C. Bronner +186

Supernova detection is a major objective of the Super-Kamiokande (SK) experiment. In the next stage of SK (SK-Gd), gadolinium (Gd) sulfate will be added to the detector, which will…

hep-ex2015

Measurement of the Electron Neutrino Charged-current Interaction Rate on Water with the T2K ND280 pi-zero Detector

T2K Collaboration, K. Abe, J. Adam +344

This paper presents a measurement of the charged current interaction rate of the electron neutrino beam component of the beam above ~GeV using the large fiducial mass of the T…

hep-ex2018

Search for Boosted Dark Matter Interacting With Electrons in Super-Kamiokande

Kamiokande Collaboration, C. Kachulis, K. Abe +156

A search for boosted dark matter using 161.9 kiloton-years of Super-Kamiokande IV data is presented. We search for an excess of elastically scattered electrons above the atmospheri…

hep-ex2014

Measurement of the inclusive charged current cross section on iron and hydrocarbon in the T2K on-axis neutrino beam

The T2K Collaboration, K. Abe, J. Adam +325

We report a measurement of the inclusive charged current cross sections on iron and hydrocarbon in the T2K on-axis neutrino beam. The measured inclusive charged current cro…

physics.acc-ph2013

Neutrinos from Stored Muons nuSTORM: Expression of Interest

D. Adey, S. K. Agarwalla, C. M. Ankenbrandt +106

The nuSTORM facility has been designed to deliver beams of electron and muon neutrinos from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum spre…

hep-ex2020

Search for proton decay into three charged leptons in 0.37 megaton-years exposure of the Super-Kamiokande

Kamiokande Collaboration, M. Tanaka, K. Abe +178

A search for proton decay into three charged leptons has been performed by using 0.37Mtonyears of data collected in Super-Kamiokande. All possible combinations of electr…

hep-ex2018

Physics Potentials with the Second Hyper-Kamiokande Detector in Korea

Hyper-Kamiokande proto-collaboration, :, K. Abe +353

Hyper-Kamiokande consists of two identical water-Cherenkov detectors of total 520~kt with the first one in Japan at 295~km from the J-PARC neutrino beam with 2.5 Off…

astro-ph.IM2021

Supernova Model Discrimination with Hyper-Kamiokande

Kamiokande Collaboration, K. Abe, P. Adrich +499

Core-collapse supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants…

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 p…

hep-ex2018

Characterisation of nuclear effects in muon-neutrino scattering on hydrocarbon with a measurement of final-state kinematics and correlations in charged-current pionless interactions at T2K

K. Abe, J. Amey, C. Andreopoulos +302

This paper reports measurements of final-state proton multiplicity, muon and proton kinematics, and their correlations in charged-current pionless neutrino interactions, measured b…

hep-ex2016

Measurements of differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

SHINE Collaboration, N. Abgrall, A. Aduszkiewicz +156

Measurements of particle emission from a replica of the T2K 90 cm-long carbon target were performed in the NA61/SHINE experiment at CERN SPS, using data collected during a high-sta…

nucl-ex2025

Measurement of the branching ratio of , , , and isotopes through the nuclear muon capture reaction in the Super-Kamiokande detector

Y. Maekawa, K. Abe, S. Abe +263

The Super-Kamiokande detector has measured solar neutrinos for more than years. The sensitivity for solar neutrino measurement is limited by the uncertainties of energy scale…

hep-ex2013

Measurement of the Inclusive NuMu Charged Current Cross Section on Carbon in the Near Detector of the T2K Experiment

T2K Collaboration, K. Abe, N. Abgrall +354

T2K has performed the first measurement of νμ inclusive charged current interactions on carbon at neutrino energies of ~1 GeV where the measurement is reported as a flux-averaged…

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-ex2024

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-ex2020

Search for heavy neutrinos with the T2K near detector ND280

K. Abe, R. Akutsu, A. Ali +325

This paper reports on the search for heavy neutrinos with masses in the range MeV/c using the off-axis near detector ND280 of the T2K experiment. These partic…

hep-ex2014

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…

physics.acc-ph2022

Test Beam and Irradiation Facilities

M. Hartz, P. Merkel, E. Niner +2

Progress in particle physics depends on a multitude of unique facilities and capabilities that enable to advance detector technologies. Among others, key facilities involve test be…

hep-ex2016

Measurement of double-differential muon neutrino charged-current interactions on CH without pions in the final state using the T2K off-axis beam

T2K collaboration, K. Abe, C. Andreopoulos +325

We report the measurement of muon neutrino charged-current interactions on carbon without pions in the final state at the T2K beam energy using 5.734 protons on targ…

astro-ph.IM2024

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…

hep-ex2012

Pion emission from the T2K replica target: method, results and application

N. Abgrall, A. Aduszkiewicz, T. Anticic +150

The T2K long-baseline neutrino oscillation experiment in Japan needs precise predictions of the initial neutrino flux. The highest precision can be reached based on detailed measur…

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-ex2013

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 interactio…

hep-ex2022

Search for solar electron anti-neutrinos due to spin-flavor precession in the Sun with Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, C. Bronner +197

Due to a very low production rate of electron anti-neutrinos () via nuclear fusion in the Sun, a flux of solar is unexpected. An appearance of in so…

physics.ins-det2020

The Hyper-Kamiokande Experiment -- Snowmass LOI

Kamiokande Collaboration, K. Abe, P. Adrich +387

Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times l…

hep-ex2016

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 quasi…

hep-ex2015

Measurement of the muon neutrino inclusive charged-current cross section in the energy range of 1-3 GeV with the T2K INGRID detector

T2K Collaboration, K. Abe, C. Andreopoulos +318

We report a measurement of the -nucleus inclusive charged current cross section (=) on iron using data from exposed to the J-PARC neutrino beam. The detector consis…

hep-ex2013

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…

hep-ex2010

Studying the Underlying Event in Drell-Yan and High Transverse Momentum Jet Production at the Tevatron

The CDF Collaboration, T. Aaltonen, J. Adelman +576

We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles (transverse momentum pT > 0.5 GeV/c, pseudorapidity |η| < 1) produced…

hep-ex2016

Proposal for an Extended Run of T2K to POT

K. Abe, H. Aihara, A. Amji +313

Recent measurements by the T2K neutrino oscillation experiment indicate that CP violation in neutrino mixing may be observed in the future by long-baseline neutrino oscillation exp…

hep-ex2022

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-ex2018

Dinucleon and Nucleon Decay to Two-Body Final States with no Hadrons in Super-Kamiokande

Kamiokande Collaboration, S. Sussman, K. Abe +167

Using 0.37 megatonyears of exposure from the Super-Kamiokande detector, we search for 10 dinucleon and nucleon decay modes that have a two-body final state with no hadrons.…

physics.ins-det2021

A measurement of proton-carbon forward scattering in a proof-of-principle test of the EMPHATIC spectrometer

M. Pavin, L. Aliaga-Soplin, M. Barbi +30

The next generation of long-baseline neutrino experiments will be capable of precision measurements of neutrino oscillation parameters, precision neutrino-nucleus scattering, and u…

hep-ex2014

Search for short baseline disappearance with the T2K near detector

K. Abe, J. Adam, H. Aihara +334

The T2K experiment has performed a search for disappearance due to sterile neutrinos using protons on target for a baseline of in a neutrino bea…

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-ex2014

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…

hep-ex2012

First Muon-Neutrino Disappearance Study with an Off-Axis Beam

T2K Collaboration, K. Abe, N. Abgrall +443

We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km muon-neutrino beam from Tokai to Kamioka is the first implementation of the off-axis techni…

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-ex2020

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 PMN…

astro-ph.HE2026

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…

hep-ex2024

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-ex2017

A Measurement of the Tau Neutrino Cross Section in Atmospheric Neutrino Oscillations with Super-Kamiokande

Kamiokande Collaboration, Z. Li, K. Abe +160

Using 5,326 days of atmospheric neutrino data, a search for atmospheric tau neutrino appearance has been performed in the Super-Kamiokande experiment. Super-Kamiokande measures the…

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…