A universal implementation of radiative effects in neutrino event generators
Due to the similarities between electron-nucleus ($eA$) and neutrino-nucleus scattering ($\nu A$), $eA$ data can contribute key information to improve cross-section modeling in $eA$ and hence in $\nu A$ event generators. However, to compare data and generated events, either the data must be radiativ...
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Main Authors | , , , , , |
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Format | Journal Article |
Language | English |
Published |
09.09.2024
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Subjects | |
Online Access | Get full text |
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Summary: | Due to the similarities between electron-nucleus ($eA$) and neutrino-nucleus
scattering ($\nu A$), $eA$ data can contribute key information to improve
cross-section modeling in $eA$ and hence in $\nu A$ event generators. However,
to compare data and generated events, either the data must be radiatively
corrected or radiative effects need to be included in the event generators. We
implemented a universal radiative corrections program that can be used with all
reaction mechanisms and any $eA$ event generator. Our program includes real
photon radiation by the incident and scattered electrons, and virtual photon
exchange and photon vacuum polarization diagrams. It uses the ``extended
peaking" approximation for electron radiation and neglects charged hadron
radiation. This method, validated with GENIE, can also be extended to simulate
$\nu A$ radiative effects. This work facilitates data-event-generator
comparisons used to improve $\nu A$ event generators for the next-generation of
neutrino experiments. |
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DOI: | 10.48550/arxiv.2409.05736 |