Sensitivity of the Upgraded T2K Near Detector to constrain neutrino and anti-neutrino interactions with no mesons in the final state by exploiting nucleon-lepton correlations

Abstract

The most challenging and impactful uncertainties that future accelerator-based measurements of neutrino oscillations must overcome stem from our limited ability to model few-GeV neutrino-nucleus interactions. In particular, it is crucial to better understand the nuclear effects which can alter the final state topology and kinematics of neutrino interactions, inducing possible biases in neutrino energy reconstruction. The upgraded ND280 near detector of the T2K experiment will directly confront neutrino interaction uncertainties using a new suite of detectors with full polar angle acceptance, improved spatial resolutions, neutron detection capabilities and reduced tracking thresholds. In this manuscript we explore the physics sensitivity that can be expected from the upgraded detector, specifically focusing on the additional sensitivity to nuclear effects and how they can be constrained with future measurements of kinematic variables constructed using both outgoing lepton and nucleon kinematics.

arXiv comment13 pages, 13 figures, minor corrections from V1

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Cited by in corpus (10)

• Final state interactions in semi-inclusive neutrino-nucleus scattering: Application to T2K and MINER$\nu$A experiments
• Study of final-state interactions of protons in neutrino-nucleus scattering with INCL and NuWro cascade models
• Total Neutron Cross-section Measurement on CH with a Novel 3D-projection Scintillator Detector
• SuperFGD prototype time resolution studies
• Analysis of test beam data taken with a prototype of TPC with resistive Micromegas for the T2K Near Detector upgrade
• Demonstrating a single-block 3D-segmented plastic-scintillator detector
• Parametrized uncertainties in the spectral function model of neutrino charged-current quasielastic interactions for oscillation analyses
• Benchmarking neutrino interaction models via a comparative analysis of kinematic imbalance measurements from the T2K, MicroBooNE and MINERvA experiments
• Longitudinal kinematic imbalances in neutrino and antineutrino interactions for improved measurements of neutrino energy and the axial vector form factor
• The Superscaling Variable and Neutrino Energy Reconstruction, From Theoretical Predictions to Experimental Limitations