K. Niewczas

Interplay between final-state nucleon distortion, nuclear transparency and intranuclear cascade models in neutrino event generators

R. González-Jiménez, A. Nikolakopoulos, J. McKean +7

We present an overview of the relativistic distorted-wave impulse approximation (RDWIA) for lepton-nucleus scattering, with emphasis on its use as an elementary-vertex model in eve…

Electromagnetic responses induced by one- and two-body nuclear currents in inclusive electron-nucleus scattering

Kajetan Niewczas, Ashish Kumar Jha, Raúl González-Jiménez +3

The longitudinal and transverse nuclear response functions encode information about the electromagnetic behavior of the nuclear target probed in inclusive electron-nucleus scatteri…

Exploring ESS $ν$ SB Near Water Cherenkov Detector Designs Through Graph Neural Network Flavour Identification

J. Aguilar, M. Anastasopoulos, D. Barčot +100

The ESS $ν$ SB experiment aims to measure CP violation in the leptonic sector with high precision, necessitating robust reconstruction of neutrino events in the water Cherenkov (WC)…

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 $0 π N p$ 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…

Study of Supernova Neutrinos at ESSnuSB

ESSnuSB, :, J. Aguilar +97

In this paper, we have studied the sensitivity of the ESSnuSB far detector to supernova neutrinos. ESSnuSB is a proposed long-baseline neutrino experiment in Sweden, which will use…

Azimuthal asymmetry in exclusive quasi-elastic neutrino-nucleus interactions

Marco Vanderpoorten, Ashish Kumar Jha, Mathias El Baz +3

In neutrino oscillation experiments, exclusive measurements of neutrino-nucleus interactions play a critical role, by providing the theoretical and experimental input needed for a…

Optimizing the description of the Delta region in the Ghent Hybrid model for single-pion production

M. Hooft, A. Nikolakopoulos, J. García-Marcos +5

Single-pion production is an important contribution to the total neutrino-nucleus interaction cross section in accelerator-based neutrino oscillation experiments. The goal of this…

Complementarity between atmospheric and super-beam neutrinos at ESSnuSB

ESSnuSB, :, J. Aguilar +92

The ESSnuSB experiment aims to measure the leptonic CP phase $δ_{C P}$ with an unprecedented resolution by probing neutrino oscillations at the second oscillation maximum. In the pr…

nucl-th2025

Electron-induced single-pion production to constrain the neutron structure in $^{40}$ Ar. A proof of concept

J. García-Marcos, M. Hooft, T. Franco-Munoz +5

We study electron-induced single-pion production as a way to constrain the neutron structure of $^{40}$ Ar, information that is necessary for neutrino experiments using argon detect…

hep-ex2025★ 23 cited

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…

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…

Searching non-standard interactions with atmospheric neutrinos at ESSnuSB

ESSnuSB, :, J. Aguilar +91

Atmospheric neutrinos provide a unique avenue to study neutrino interactions in matter. In this work, the prospects of constraining non-standard neutrino interactions with atmosphe…

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 $μ$ -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) $\times 1 0^{20}$ 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…

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…