A Consistent Treatment of Final-State Interactions in NuWro Quasielastic Channel
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arXiv
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| Format: | Preprint |
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2026
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| author | Banerjee, Rwik Dharmapal |
| author_facet | Banerjee, Rwik Dharmapal |
| contents | In this proceeding, I present a modified treatment of final-state interactions (FSI) in quasielastic (QE) lepton-nucleus scattering within the spectra function (SF) framework of the NuWro Monte Carlo generator. Our approach establishes a consistent correspondence between inclusive cross-section calculations and exclusive descriptions of hadron-propagation by combining a convolution-based formalism at the cross-section level with an event-level implementation in which interactions are classified as transparent or non-transparent within the NuWro intranuclear cascade. This unified framework enables realization of FSI effects across inclusive observables and exclusive final states. We demonstrate the impact of this implementation by comparing predictions to both inclusive electron-scattering data and exclusive MicroBooNE measurements of CCQE-dominated observable, showing that the inclusion of FSI leads to a significant improvement in agreement with the data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_09822 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Consistent Treatment of Final-State Interactions in NuWro Quasielastic Channel Banerjee, Rwik Dharmapal High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory In this proceeding, I present a modified treatment of final-state interactions (FSI) in quasielastic (QE) lepton-nucleus scattering within the spectra function (SF) framework of the NuWro Monte Carlo generator. Our approach establishes a consistent correspondence between inclusive cross-section calculations and exclusive descriptions of hadron-propagation by combining a convolution-based formalism at the cross-section level with an event-level implementation in which interactions are classified as transparent or non-transparent within the NuWro intranuclear cascade. This unified framework enables realization of FSI effects across inclusive observables and exclusive final states. We demonstrate the impact of this implementation by comparing predictions to both inclusive electron-scattering data and exclusive MicroBooNE measurements of CCQE-dominated observable, showing that the inclusion of FSI leads to a significant improvement in agreement with the data. |
| title | A Consistent Treatment of Final-State Interactions in NuWro Quasielastic Channel |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory |
| url | https://arxiv.org/abs/2604.09822 |