Abstract
NEUT is a neutrino–nucleus interaction simulation program library. It can be used to simulate interactions for neutrinos with between 100 MeV and a few TeV of energy. NEUT is also capable of simulating hadron interactions within a nucleus and is used to model nucleon decay and hadron–nucleus interactions for particle propagation in detector simulations. This article describes the range of interactions modelled and how each is implemented.
Highlights
NEUT is primarily a neutrino–nucleus scattering simulation program library and provides a complete model capable of predicting the observations for a wide range of neutrino scattering experiments
One of the most important nuclear effects is the re-scattering of hadrons, which are produced in the primary neutrino–nucleon interaction, as they propagate out of the nuclear medium
The NEUT SF uses the spectral function by Benhar et al [16] and the implementation is based on the one in NuWro [17] with additional improvements by Furmanski [18]
Summary
NEUT is primarily a neutrino–nucleus scattering simulation program library and provides a complete model capable of predicting the observations for a wide range of neutrino scattering experiments. NEUT is capable of simulating neutrino–nucleon and coherent neutrino– nucleus interactions in a number of reaction channels over a neutrino energy range from 100 MeV to a few TeV. One of the most important nuclear effects is the re-scattering of hadrons, which are produced in the primary neutrino–nucleon interaction, as they propagate out of the nuclear medium. This re-scattering can result in hadron absorption, extra hadron production or knock-out, or distortion of the nuclear-leaving particle kinematic spectra. The NEUT hadron re-scattering model has been used to simulate low-energy pion– nucleus scattering both to tune the model to the experimental data [1] and to simulate pion propagation in neutrino-scattering experimental simulations. NEUT can simulate various nucleon decay channels to support experimental searches for the process
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