In-medium changes of nucleon cross sections tested in neutrino-induced reactions

Abstract

Historically studied in the context of heavy-ion collisions, the extent to which free nucleon-nucleon cross sections are modified in-medium remains undetermined by these data sets. Therefore, we investigate the impact of NN in-medium modifications on neutrino-nucleus cross section predictions using the GiBUU transport model. We find that including an in-medium lowering of the NN cross section and density dependence on $\Delta$ excitation improves agreement with MicroBooNE neutrino-argon scattering data. This is observed for both proton and neutral pion spectra in charged-current muon neutrino and neutral-current single pion production datasets. The impact of collision broadening of the $\Delta$ resonance is also investigated. The absence of $\Delta$ broadening is slightly favored, but the larger uncertainties on the pion production data prevent definitive conclusions.

References in corpus (10)

• The NEUT Neutrino Interaction Simulation
• First Observation of Coherent ${\pi }^0$ Production in Neutrino Nucleus Interactions with $E_{\nu }<$ 2 GeV
• First Measurement of Energy-Dependent Inclusive Muon Neutrino Charged-Current Cross Sections on Argon with the MicroBooNE Detector
• Pion production within the hybrid relativistic plane wave impulse approximation model at MiniBooNE and MINERvA kinematics
• Determination of the argon spectral function from (e,e'p) data
• Constraining the in-medium nucleon-nucleon cross section from the width of nuclear giant dipole resonance
• Identification of nuclear effects in neutrino and antineutrino interactions on nuclei using generalized final-state correlations
• First double-differential measurement of kinematic imbalance in neutrino interactions with the MicroBooNE detector
• Measurement of the Ar(e,e${}^{\prime }$ p) and Ti(e,e${}^{\prime }$ p) cross sections in Jefferson Lab Hall A
• Inclusive cross section measurements in final states with and without protons for charged-current ${\nu }_{\mu }$-Ar scattering in MicroBooNE

Cited by in corpus (3)

• The Ghent Hybrid Model in NuWro: a new neutrino single-pion production model in the GeV regime
• Measurement of single charged pion production in charged-current ${\nu }_{\mu }$-Ar interactions with the MicroBooNE detector
• Single pion-production and pion propagation in Achilles