Abstract
We present our recent progress on the relativistic modeling of neutrino-nucleus reactions for their implementation in MonteCarlo event generators (GENIE, NEUT) employed in neutrino oscillation experiments. We compare charged-current neutrino (\(\nu \)) and antineutrino (\(\bar{\nu }\)) cross sections obtained within the SuSAv2 model, which is based on the Relativistic Mean Field theory and on the analysis of the superscaling behavior exhibited by (\(e,e'\)) data. We also evaluate and discuss the impact of multi-nucleon excitations arising from 2p–2h states excited by the action of weak forces in a fully relativistic framework, showing for the first time their implementation in GENIE and their comparison with recent T2K data.
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Acknowledgements
This work was partially supported by the Spanish Ministerio de Economia y Competitividad and ERDF (European Regional Development Fund) under contracts FIS2017-88410-P, and by the Junta de Andalucia (grant No. FQM160). GDM acknowledges support from a Junta de Andalucia fellowship (FQM7632, Proyectos de Excelencia 2011). We acknowledge the support of CEA, CNRS/IN2P3 and P2IO, France; and the MSCA-RISE project JENNIFER, funded by EU grant n.644294, for supporting the EU-Japan researchers mobility.
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Megias, G.D., Dolan, S., Bolognesi, S. (2019). Modeling Neutrino-Nucleus Interactions for Neutrino Oscillation Experiments. In: García-Ramos, JE., Andrés, M., Valera, J., Moro, A., Pérez-Bernal, F. (eds) Basic Concepts in Nuclear Physics: Theory, Experiments and Applications. RÁBIDA 2018. Springer Proceedings in Physics, vol 225. Springer, Cham. https://doi.org/10.1007/978-3-030-22204-8_12
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DOI: https://doi.org/10.1007/978-3-030-22204-8_12
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