Authors: Thomas Appelquist Yang Bai James Ingoldby Maurizio Piai
Publish Date: 2016/01/19
Volume: 2016, Issue: 1, Pages: 109-
Abstract
We study a simple effective field theory incorporating six heavy vector bosons together with the standardmodel field content The new particles preserve custodial symmetry as well as an approximate leftright parity symmetry The enhanced symmetry of the model allows it to satisfy precision electroweak constraints and bounds from Higgs physics in a regime where all the couplings are perturbative and where the amount of finetuning is comparable to that in the standard model itselfWe find that the model could explain the recently observed excesses in diboson processes at invariant mass close to 2 TeV from LHC Run 1 for a range of allowed parameter space The masses of all the particles differ by no more than roughly 10 In a portion of the allowed parameter space only one of the new particles has a production cross section large enough to be detectable with the energy and luminosity of Run 1 both via its decay to W Z and to W h while the others have suppressed production rates The model can be tested at the higherenergy and higherluminosity run of the LHC even for an overall scale of the new particles higher than 3 TeVThis article is published under an open access license Please check the Copyright Information section for details of this license and what reuse is permitted If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and reuse information please contact the Rights and Permissions team
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