Single photon production in neutrino-nucleon scattering

C. BARBERO, A. MARIANO

AIP CONFERENCE PROCEEDINGS

AIP Publishing LLC

Año: 2013 vol. 1529 p. 244 - 246

0094-243X

The quasielastic charged current (CCQE) nu_e n -> e−p scattering is the dominant mechanism to detect appearance of a nu_e in an almost nu_mu flux at the 1 GeV scale. Actual experiments show a precision below 1% and between less known background contributions, but necessary to constraint the event excess, we have the radiative corrections. A consistent model recently developed for the simultaneous description of elastic and radiative pion N scattering, pion-photoproduction and single pion production processes, both for charged and neutral current neutrino-nucleon scattering, is extended for the evaluation of the radiative nu_l N -> nu_l N gamma cross section. Our results are similar to a previous (but inconsistent) theoretical evaluation in the low energy region, and show an increment in the upper region where the Delta  resonance becomes relevant.