dorsal/arxiv
View SchemaNeutral current neutrino-nucleus interactions at intermediate energies
| Authors | T. Leitner, L. Alvarez-Ruso, U. Mosel |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0606058 |
| URL | https://arxiv.org/abs/nucl-th/0606058 |
| DOI | 10.1103/PhysRevC.74.065502 |
| Journal | Phys.Rev.C74:065502,2006 |
Abstract
We have extended our model for charged current neutrino-nucleus interactions to neutral current reactions. For the elementary neutrino-nucleon interaction, we take into account quasielastic scattering, Delta excitation and the excitation of the resonances in the second resonance region. Our model for the neutrino-nucleus collisions includes in-medium effects such as Fermi motion, Pauli blocking, nuclear binding, and final-state interactions. They are implemented by means of the Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU) coupled-channel transport model. This allows us to study exclusive channels, namely pion production and nucleon knockout. We find that final-state interactions modify considerably the distributions through rescattering, charge-exchange and absorption. Side-feeding induced by charge-exchange scattering is important in both cases. In the case of pions, there is a strong absorption associated with the in-medium pionless decay modes of the Delta, while nucleon knockout exhibits a considerable enhancement of low energy nucleons due to rescattering. At neutrino energies above 1 GeV, we also obtain that the contribution to nucleon knockout from Delta excitation is comparable to that from quasielastic scattering.
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"abstract": "We have extended our model for charged current neutrino-nucleus interactions\nto neutral current reactions. For the elementary neutrino-nucleon interaction,\nwe take into account quasielastic scattering, Delta excitation and the\nexcitation of the resonances in the second resonance region. Our model for the\nneutrino-nucleus collisions includes in-medium effects such as Fermi motion,\nPauli blocking, nuclear binding, and final-state interactions. They are\nimplemented by means of the Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU)\ncoupled-channel transport model. This allows us to study exclusive channels,\nnamely pion production and nucleon knockout. We find that final-state\ninteractions modify considerably the distributions through rescattering,\ncharge-exchange and absorption. Side-feeding induced by charge-exchange\nscattering is important in both cases. In the case of pions, there is a strong\nabsorption associated with the in-medium pionless decay modes of the Delta,\nwhile nucleon knockout exhibits a considerable enhancement of low energy\nnucleons due to rescattering. At neutrino energies above 1 GeV, we also obtain\nthat the contribution to nucleon knockout from Delta excitation is comparable\nto that from quasielastic scattering.",
"arxiv_id": "nucl-th/0606058",
"authors": [
"T. Leitner",
"L. Alvarez-Ruso",
"U. Mosel"
],
"categories": [
"nucl-th",
"hep-ex",
"hep-ph",
"nucl-ex"
],
"doi": "10.1103/PhysRevC.74.065502",
"journal_ref": "Phys.Rev.C74:065502,2006",
"title": "Neutral current neutrino-nucleus interactions at intermediate energies",
"url": "https://arxiv.org/abs/nucl-th/0606058"
},
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