Quasielastic charged-current neutrino scattering in the scaling model with relativistic effective mass

Abstract

We use a recent scaling analysis of the quasielastic electron scattering data from 12 C to predict the quasielastic charge-changing neutrino scattering cross sections within an uncertainty band. We use a scaling function extracted from a selection of the (e, e ′ ) cross section data, and an effective nucleon mass inspired by the relativistic mean-field model of nuclear matter. The corresponding super-scaling analysis with relativistic effective mass (SuSAM*) describes a large amount of the electron data lying inside a phenomenological quasielastic band. The effective mass incorporates the enhancement of the transverse current produced by the relativistic mean field. The scaling function incorporates nuclear effects beyond the impulse approximation, in particular meson-exchange currents and short range correlations producing tails in the scaling function. Besides its simplicity, this model describes the neutrino data as reasonably well as other more sophisticated nuclear models.

Meson-exchange currents and superscaling analysis with relativistic effective mass of quasielastic electron scattering from C12

“…In future work, we will extend this MEC model to the weak sector to compute the effect of 2p-2h in charge-changing neutrino scattering, which was analyzed with the SuSAM* model, without including MEC, in Ref. [47].…”

“…The final goal is to have a consistent model to be applied in the future to neutrino scattering as in Ref. [47].…”

Improved Superscaling in Quasielastic Electron Scattering with Relativistic Effective Mass

“…nucleon [26][27][28]. Attempts to extend the formalism to the inelastic region have also been made [24,25,29].…”

“…In the procedure followed in ref [26][27][28] the inclusive cross section data are divided by the contribution of the single nucleon.…”

The SuSA Model for Neutrino Oscillation Experiments: From Quasielastic Scattering to the Resonance Region

“…While the QE region has been extensively studied in recent years by various groups [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19], the resonance region between the QE and the DIS regimes still needs to be fully investigated [1,20]. This region corresponds to the excitation of nucleon resonances and will play a major role in the kinematic domain explored by DUNE.…”