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Implementation of the SuSAv2-MEC 1p1h and 2p2h models in GENIE and analysis of nuclear effects in T2K measurements
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Implementation of the SuSAv2-MEC 1p1h and 2p2h models in GENIE and analysis of nuclear effects in T2K measurements
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We first present the implementation and validation of the SuSAv2-MEC 1p1h and 2p2h models in the GENIE neutrino-nucleus interaction event generator and a comparison of the subsequent predictions to measurements of lepton and hadron kinematics from the T2K experiment. These predictions are also compared to those of other available models in GENIE. We additionally compare the semi-inclusive predictions of the implemented 1p1h model to those of the microscopic model on which SuSAv2 is based - Relativistic Mean Field (RMF) - to begin to test the validity of widely-used `factorisation' assumptions employed by generators to predict hadron kinematics from inclusive input models. The results highlight that a more precise treatment of hadron kinematics in generators is essential in order to attain the few-% level uncertainty on neutrino interactions necessary for the next generation of accelerator-based long-baseline neutrino oscillation experiments.
Forward citations
Cited by 6 Pith papers
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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
First joint C/O double-differential νμ CC0πNp cross sections in δpT–δαT and pN–cosθμ show current generators fail to describe the data.
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Interaction-model dependence in calorimetric energy reconstruction methods due to non-linear material effects in modern neutrino detectors
Calorimetric neutrino energy reconstruction carries an interaction-model-dependent bias of ~7-18 MeV from Birks quenching and charge recombination, reducible to ~3.5 MeV with idealised hybrid tracking.
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Two-particle two-hole excitations in semi-inclusive neutrino-nucleus scattering
First fully microscopic, relativistic calculation of the 2p2h MEC contribution to semi-inclusive neutrino-carbon (νμ, μ−p) cross sections, with T2K flux-folded predictions.
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Benchmarking State-of-the-Art Theory and Empirical Models of Pionless Neutrino-Argon Scattering in GENIE
GENIE model components for pionless neutrino-argon scattering are swapped and tested against MicroBooNE data to compare sophisticated theory-based options with empirical alternatives.
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Benchmarking State-of-the-Art Theory and Empirical Models of Pionless Neutrino-Argon Scattering in GENIE
The study evaluates and contrasts sophisticated and empirical model components in GENIE for pionless neutrino-argon interactions using recent MicroBooNE measurements.
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Charged-Current Neutrino-Induced Single-Pion Production in the Superscaling Approach and Relativistic Distorted-Wave Impulse Approximation
SuSAv2 and RDWIA models are compared to experimental data on charged-current neutrino-induced single-pion production on carbon targets across neutrino energies from hundreds of MeV to 20 GeV.
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