Journal
PHYSICS LETTERS B
Volume 841, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2023.137914
Keywords
Neutrino interactions; Models beyond the standard model; Non-standard model neutrinos
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The nu nu over bar gamma gamma couplings parametrized with the non-standard dimension-seven operators defined by the Effective Field Theory framework are investigated through the process pp ->nu nu over bar gamma at the High LuminosityLHC and the Future Circular proton-proton Collider. The effective Lagrangian of nu nu over bar gamma gamma couplings 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 nu nu over bar gamma gamma couplings are obtained at 95% confidence level. We show that the analysis of the signal emerging from the process pp -> nu nu over bar gamma allows to improve constraints on nu nu over bar gamma gamma couplings given by the LEP collaboration.
The nu nu over bar gamma gamma couplings parametrized with the non-standard dimension-seven operators defined by the Effective Field Theory framework are investigated through the process pp ->nu nu over bar gamma at the High LuminosityLHC and the Future Circular proton-proton Collider. The effective Lagrangian of nu nu over bar gamma gamma couplings 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 nu nu over bar gamma gamma couplings are obtained at 95% confidence level. We show that the analysis of the signal emerging from the process pp -> nu nu over bar gamma allows to improve constraints on nu nu over bar gamma gamma couplings given by the LEP collaboration. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.
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