Search for the electromagnetic properties of the neutrinos at the HL-LHC and the FCC-hh

Abstract

The ν¯νγγcouplings parametrized with the non-standard dimension-seven operators defined by the Effective Field Theory framework are investigated through the process pp →ν¯νγat the High Luminosity-LHC and the Future Circular proton-proton Collider. The effective Lagrangian of ν¯νγγcouplings is implemented into FeynRules to generate a UFO module inserted into Madgraph to generate both background and signal events. These events are then passed through Pythia 8 for parton showering and Delphes to include realistic detector effects. The sensitivities on ν¯νγγcouplings are obtained at 95%confidence level. We show that the analysis of the signal emerging from the process pp →ν¯νγallows to improve constraints on ν¯νγγcouplings given by the LEP collaboration.