Relevance of Two Boson Exchange Effect in Quasi-Elastic Charged Current Neutrino-Nucleon Interaction

Abstract

Two boson exchange (TBE) correction to the cross section for the quasi-elastic charged current $\nu n$ and $\bar{\nu }p$ scattering is evaluated. The TBE is given by $W\gamma$ box diagrams. The calculations are performed for 1 GeV neutrinos. The averaged TBE correction is of the order of $2÷4$ (with respect to Born contribution) in the case of ${\nu }_e$ and ${\bar{\nu }}_e$ and $1÷2$ in the case of ${\nu }_{\mu }$ and ${\bar{\nu }}_{\mu }$. The impact of the TBE effect on the systematic discrepancy between the ${\nu }_e$ and ${\nu }_{\mu }$ cross sections is discussed.

6 pages, 7 figures

References in corpus (7)

• Indication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam
• First Measurement of the Muon Neutrino Charged Current Quasielastic Double Differential Cross Section
• Global analysis of proton elastic form factor data with two-photon exchange corrections
• Differences in Quasi-Elastic Cross-Sections of Muon and Electron Neutrinos
• Electromagnetic form factors of the nucleon: new fit and analysis of uncertainties
• The Two-Photon-Exchange and γZ-Exchange Corrections to parity-Violating Elastic Electron-Proton Scattering
• Comparison of Neural Network and Hadronic Model Predictions of Two-Photon Exchange Effect

Cited by in corpus (6)

• Parameterization and applications of the low-$Q^2$ nucleon vector form factors
• QED radiative corrections for accelerator neutrinos
• Electron and Muon production cross sections in quasielastic $\nu (\bar{\nu })$-Nucleus scattering for $E_{\nu }<1GeV$
• Neutral Current Neutrino-Nucleus Scattering. Theory
• Resonance Contributions to Radiative Corrections in Charged-Current Elastic (Anti)Neutrino-Nucleon Scattering at GeV Energies
• Theory of QED radiative corrections to neutrino scattering at accelerator energies