Tau Custodian searches at the LHC
Francisco del Aguila, Adrian Carmona, Jose Santiago

TL;DR
This paper explores the potential for discovering tau custodians, new leptonic resonances predicted by certain models, at the LHC, detailing their expected masses, decay modes, and detection reach.
Contribution
It introduces a search strategy for tau custodians at the LHC and estimates the discovery potential for various masses and luminosities.
Findings
LHC can detect tau custodians up to 720 GeV at high luminosity.
Tau custodians decay predominantly into taus, aiding their identification.
Search methods can be extended to other particles decaying into taus.
Abstract
The tau lepton can be more composite than naively expected in models of strong electroweak symmetry breaking with tri-bimaximal lepton mixing. New leptonic resonances required by custodial symmetry, the tau custodians, can then be the first signal of this lepton flavor realization. Tau custodians can be very light, decaying almost exclusively into taus. The LHC reach for these new leptons is up to masses of 240, 480 and 720 GeV for sqrt{s}=14 TeV and an integrated luminosity of 30, 300 and 3000 fb^{-1}, respectively. Our analysis can be extended to any pair produced particles decaying mostly into taus and Standard Model bosons.
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