Neutral current coherent pion production

Abstract

We investigate the neutrino induced coherent pion production reaction at low and intermediate energies. The model includes pion, nucleon and Delta(1232) resonance as the relevant hadronic degrees of freedom. Nuclear medium effects on the production mechanisms and pion distortion are taken into account. We obtain that the dominance of the Delta excitation holds due to large cancellations among the background contributions. We consider two sets of vector and axial-vector N-Delta transition form-factors, evidencing the strong sensitivity of the results to the axial coupling C5A(0). The differences between neutrino and antineutrino cross sections, emerging from interference terms, are also discussed.

4 pages, 3 figures, minor corrections, a few references added

References in corpus (9)

• Measurement of Neutrino Oscillation by the K2K Experiment
• A Search for Electron Neutrino Appearance at the Delta m**2 ~ 1 eV**2 Scale
• Weak Pion Production off the Nucleon
• Charged current neutrino induced coherent pion production
• The axial N to Delta transition form factors from Lattice QCD
• Neutral current neutrino-nucleus interactions at intermediate energies
• Axial $N\to \Delta (1232)$ and $N\to N^{\star }(1440)$ transition form factors
• Neutrino-nucleus reactions in the delta resonance region
• Prospects for Antineutrino Running at MiniBooNE

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• Dynamical Model of Coherent Pion Production in Neutrino-Nucleus Scattering
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• Towards a Unified Model of Neutrino-Nucleus Reactions for Neutrino Oscillation Experiments
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• Neutrino Induced Charged Current Coherent Pion Production for Constraining the Muon Neutrino Flux at DUNE
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