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arxiv: 1804.03483 · v1 · pith:6RHOJ7SPnew · submitted 2018-04-10 · ⚛️ nucl-th · hep-ph· nucl-ex

Meson-exchange currents and quasielastic predictions for neutrino-nucleus scattering

classification ⚛️ nucl-th hep-phnucl-ex
keywords scatteringsomecurrentsdifferentfoundmeson-exchangemodelnuclei
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We review some recent progress in the study of electroweak interactions in nuclei within the SuSAv2-MEC model. The model has the capability to predict (anti)neutrino scattering observables on different nuclei. The theoretical predictions are compared with the recent T2K $\nu_\mu-^{16}$O data and good agreement is found at all kinematics. The results are very similar to those obtained for $\nu_\mu-^{12}$C scattering, except at low energies, where some differences emerge. The role of meson-exchange currents in the two-particle two-hole channel is analyzed in some detail. In particular it is shown that the density dependence of these contributions is different from what is found for the quasielastic response.

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