Polarized window for left-right symmetry and a right-handed neutrino at the Large Hadron-Electron Collider

Abstract

The breaking of parity, a fundamental symmetry between left and right is best understood in the framework of left-right symmetric extension of the standard model. We show that the production of a heavy right-handed neutrino at the proposed Large Hadron-Electron Collider (LHeC) could give us the most simple and direct hint of the scale of this breaking in left-right symmetric theories. This production mode gives a lepton number violating signal with $\Delta L=2$ which is very clean and has practically no standard model background. We highlight that the right-handed nature of $W_R$ exchange which defines the left-right symmetric theories can be confirmed by using a polarized electron beam and also enhance the production rates with relatively lower beam energy.

Title changed, published in PRD Rapid Communications

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• Same Sign versus Opposite Sign Dileptons as a Probe of Low Scale Seesaw Mechanisms
• New Physics Opportunities for Long-Lived Particles at Electron-Proton Colliders
• Probing the Heavy Neutrinos of Inverse Seesaw Model at the LHeC
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• Doubly-charged Higgs Boson at Future Electron-Proton Collider
• Probing Leptoquark and Heavy Neutrino at LHeC
• Heavy Neutral Leptons at the Electron-Ion Collider
• Probing Left-Right Seesaw using Beam Polarization at an $e^{+}{e}^{-}$ Collider
• Automated Neutrino Jet and Top Jet Predictions at Next-to-Leading-Order with Parton Shower Matching in Effective Left-Right Symmetric Models
• Neutrinoless double beta decay in Left-Right symmetric model with double seesaw mechanism
• Searching for the light Higgsinos in MSSM at the future e-p colliders
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• Improving heavy Dirac neutrino prospects at future hadron colliders using machine learning
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