C. Barry

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) $\times 1 0^{20}$ protons on target i…

Search for CP violation in Neutrino and Antineutrino Oscillations by the T2K experiment with $2.2 \times 1 0^{21}$ 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…

Measurement of $I^ˉ ½_{I^} ¼$ and $I^½_{I^} ¼$ charged current inclusive cross sections and their ratio with the T2K off-axis near detector

K. Abe, J. Amey, C. Andreopoulos +291

We report a measurement of cross section $I ¨ (I^½_{I^} ¼ + nucleus \to I^¼^{-} + X)$ and the first measurements of the cross section $Ï(\barÎ½_Î¼+{\rm nucleus}\rightarrowÎ¼^{+}+X…

Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $I^^{3}$ -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 $I^^{3}$ -rays to identify signal-like inte…

First measurement of the $I^½_{I^} ¼$ 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 $I^½_{I^} ¼$ on water with no pions in the final state. This flux-averaged meas…

Measurements of $I^ˉ ½_{I^} ¼$ and $I^ˉ ½_{I^} ¼ + I^½_{I^} ¼$ 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 $I^ˉ ½_{I^} ¼$ and $I^ˉ ½_{I^} ¼ + I^½_{I^} ¼$ charged-current cross-sections on water and hydrocarbon targets using the T2K anti-neutrino beam, wi…

hep-ex2022

The COHERENT Experimental Program

D. Akimov, S. Alawabdeh, P. An +128

The COHERENT experiment located in Neutrino Alley at the Spallation Neutron Source (SNS), Oak Ridge National Laboratory (ORNL), has made the world's first two measurements of coher…

Measurement of the $I^½_{I^} ¼$ 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 $I^½_{I^} ¼$ charged-current cross sections on water, hydrocarbon, and iron in the T2K on-axis neutrino beam with a mean neutrino energy o…

Measurement of the single $I ¨ ^{0}$ production rate in neutral current neutrino interactions on water

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

The single $I ¨ ^{0}$ 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 PÃD, one…

Measurement of the muon neutrino charged-current single $I ¨ ^{+}$ 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…

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…

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…

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…

Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280

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

The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. Th…

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 $140 < M_{N} < 493$ MeV/c $^{2}$ using the off-axis near detector ND280 of the T2K experiment. These partic…

Updated T2K measurements of muon neutrino and antineutrino disappearance using 1.5e21 protons on target

K. Abe, J. Amey, C. Andreopoulos +322

We report measurements by the T2K experiment of the parameters $I^¸_{23}$ and $I^ m_{32}^{2}$ governing the disappearance of muon neutrinos and antineutrinos in the three flavor neut…

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…

First Measurement of the Charged Current $I^½_{I^} ¼$ 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 $I^½_{I^} ¼$ interaction cross section on water with no pions in the final state. The unfolded flux…

Measurement of inclusive double-differential $I^½_{I^} ¼$ charged-current cross section with improved acceptance in the T2K off-axis near detector

T2K Collaboration, K. Abe, J. Amey +302

We report a measurement of the flux-integrated cross section for inclusive muon neutrino charged-current interactions on carbon. The double differential measurements are given as f…

hep-ex2021

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…

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…

Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of $I^½_{e}$ 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…