Left-Right Symmetry: from Majorana to Dirac

Abstract

Probing the origin of neutrino mass by disentangling the seesaw mechanism is one of the central issues of particle physics. We address it in the minimal left-right symmetric model and show how the knowledge of light and heavy neutrino masses and mixings suffices to determine their Dirac Yukawa couplings. This in turn allows one to make predictions for a number of high and low energy phenomena, such as decays of heavy neutrinos, neutrinoless double beta decay, electric dipole moments of charged leptons and neutrino transition moments. We also discuss a way of reconstructing the neutrino Dirac Yukawa couplings at colliders such as the LHC.

6 pages, 5 figures. Clarification, discussion and references added, together with a new subsection on probing neutrino Dirac Yukawa couplings at the LHC

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• Disentangling Seesaw in the Minimal Left-Right Symmetric Model
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• Dark Matter Dilution Mechanism through the Lens of Large Scale Structure
• Right-handed neutrinos and the 2 TeV $W^{\prime }$ boson
• Tensor and scalar interactions of neutrinos may lead to observable neutrino magnetic moments
• Probing Neutrino Dirac Mass in Left-Right Symmetric Models at the LHC and Next Generation Colliders
• Lepton Flavour Violation in Left-Right Theory
• Probing Left-Right Seesaw using Beam Polarization at an $e^{+}{e}^{-}$ Collider
• SU(2)${}_L\times$SU(2)${}_R$ minimal dark matter with 2 TeV $W^{\prime }$
• CP Violating Effects in Heavy Neutrino Oscillations: Implications for Colliders and Leptogenesis
• Phenomenological Aspects of TeV Scale Alternative Left-Right Model
• Light Sterile Neutrinos, Left-Right Symmetry, and $0\nu \beta \beta$ Decay
• Left-Right Symmetry at FCC-hh
• Is Left-Right Symmetry the Key?
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• Long-lived heavy neutral leptons at lepton colliders as a probe of left-right symmetric models
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• Neutrino electromagnetic interactions: a window to new physics
• Testing left-right symmetry with an inverse seesaw mechanism at the LHC
• Parity and the origin of neutrino mass
• Doubly-charged scalars of the Minimal Left-Right Symmetric Model at Muon Colliders
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• Neutrino 2020: Theory Outlook
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• Phenomenology of two texture zero neutrino mass in left-right symmetric model with $Z_8\times Z_2$
• High Scale Type-II Seesaw, Dominant Double Beta Decay within Cosmological Bound and Verifiable LFV Decays in SU(5)
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