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arXiv · 1901.00773

Neutral-current weak pion production off the nucleon in covariant chiral perturbation theory

De-Liang Yao·Luis Alvarez-Ruso·M. J. Vicente Vacas
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Abstract

Neutral current single pion production induced by neutrinos and antineutrinos on nucleon targets has been investigated in manifestly relativistic baryon chiral perturbation theory with explicit $\Delta(1232)$ degrees of freedom up to $\mathcal{O}(p^3)$. At low energies, where chiral perturbation theory is applicable, the total cross sections for the different reaction channels exhibit a sizable non-resonant contribution, which is not present in event generators of broad use in neutrino oscillation and cross section experiments such as GENIE and NuWro.

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De-Liang Yao, Luis Alvarez-Ruso, M. J. Vicente Vacas. 2019-01-03. Neutral-current weak pion production off the nucleon in covariant chiral perturbation theory. https://doi.org/10.1016/j.physletb.2019.05.036

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