Transport study of charged current interactions in neutrino-nucleus reactions
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Within a dynamical transport approach we investigate charged current interactions in neutrino-nucleus reactions for neutrino energies of 0.3 - 1.5 GeV with particular emphasis on resonant pion production channels via the $Δ_{33}(1232)$ resonance. The final-state-interactions of the resonance as well as of the emitted pions are calculated explicitly for $^{12}C$ and $^{56}Fe$ nuclei and show a dominance of pion suppression at moderate momenta $p_π>$ 0.2 GeV/c. A comparison to integrated $π^+$ spectra for $ν_μ+ ^{12}C$ reactions with the available (preliminary) data demonstrates a reasonable agreement.
13 pages incl. 6 eps-figures; computational error in final state interactions corrected; to be published in Phys. Lett. B
13 pages incl. 6 eps-figures; computational error in final state interactions corrected; to be published in Phys. Lett. B