Interpretation of Lepton Flavor Violation

Abstract

The observation of a charged-lepton flavor violating process would be a definite sign for physics beyond the Standard Model, but would actually only prove that one particular linear combination of lepton numbers is violated. We categorize lepton-flavor-violating processes by their quantum numbers and show how their discovery can be interpreted model independently, studying in particular which processes are required to establish that the entire flavor group is broken. We also comment on total lepton number, seeing as lepton number violation practically implies lepton flavor violation as well.

arXiv comment6 pages, added references and clarifications

References in corpus (36)

• Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma
• Neutrino-less Double Beta Decay and Particle Physics
• Search for Lepton Flavor Violating Tau Decays into Three Leptons with 719 Million Produced Tau+Tau- Pairs
• Neutrinoless double beta decay: 2015 review
• Physics at Super B Factory
• Search for lepton-flavour-violating decays of the Higgs boson
• New Bounds from Searching for Muonium to Antimuonium Conversion
• Charged Lepton Flavor Violation: An Experimenter's Guide
• Lepton Flavor and Number Conservation, and Physics Beyond the Standard Model
• Unbroken B-L Symmetry
• Model for a Light Z' Boson
• Lepton flavor violating Z' explanation of the muon anomalous magnetic moment
• New Limit on Muon and Electron Lepton Number Violation from $K_L^0\to {\mu }^{\pm }{e}^{\mp }$ Decay
• Search for lepton-flavour-violating decays of the Higgs and $Z$ bosons with the ATLAS detector
• Higgs $\to \mu \tau$ in Abelian and Non-Abelian Flavor Symmetry Models
• Mu2e Technical Design Report
• MEG Upgrade Proposal
• Search for Lepton Flavor Violation in $K^{+}$ Decays
• Search for the lepton flavor violating decay $Z\to e\mu$ in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector
• Search for lepton-flavour-violating $H\to \mu \tau$ decays of the Higgs boson with the ATLAS detector
• Lepton flavor violation with light vector bosons
• Neutrinoless Quadruple Beta Decay
• Search for lepton flavour violating decays of the Higgs boson to e tau and e mu in proton-proton collisions at sqrt(s) = 8 TeV
• Search for Lepton-Flavor-Violating and Lepton-Number-Violating tau to lhh' Decay Modes
• Extended Black Box Theorem for Lepton Number and Flavor Violating processes
• Patterns of remnant discrete symmetries
• The Lepton Flavour Violating Higgs Decays at the HL-LHC and the ILC
• New limits on effective Majorana neutrino masses from rare kaon decays
• A Call for New Physics : The Muon Anomalous Magnetic Moment and Lepton Flavor Violation
• Search for the Lepton Flavor Violation Processes $J/\psi \to$ $\mu \tau$ and $e\tau$
• Search for Charged Lepton Flavor Violation in Narrow Upsilon Decays
• ${\mathbf{\mu }}^{-}$- ${\mathbf{e}}^{+}$ conversion in upcoming LFV experiments
• Lepton Number Violation with and without Majorana Neutrinos
• Searches for Lepton Number Violation and resonances in the $K^{\pm }\to \pi \mu \mu$ decays at the NA48/2 experiment
• Learning about flavour structure from tau to ell gamma and mu to e gamma?
• Forbidden Kaon and Pion Decays in NA62

Cited by in corpus (21)

• Inclusive Nucleon Decay Searches as a Frontier of Baryon Number Violation
• Proton decay into charged leptons
• Lepton Flavor Violation with Displaced Vertices
• Light particles with baryon and lepton numbers
• Charged lepton flavor violation in light of the muon magnetic moment anomaly and colliders
• Sensitivity of future lepton colliders to the search for charged lepton flavor violation
• Unified resolution of the $R(D)$ and $R(D^{\ast })$ anomalies and the lepton flavor violating decay $h\to \mu \tau$
• ${\mathbf{\mu }}^{-}$- ${\mathbf{e}}^{+}$ Conversion from Short-Range Operators
• Lepton-flavour-violating tau decays from triality
• Lepton flavor violation by two units
• New physics with the lepton flavor violating decay $\tau \to 3\mu$
• Baryon number violation involving tau leptons
• Dark SU(2) Stueckelberg portal
• Leptoquark-induced CLFV decays with a light SM-singlet scalar
• Singlet Fermion Assisted Dominant Seesaw with Lepton Flavor and Number Violations and Leptogenesis
• Exploring the Null Results in the Direct Detection Experiments, $(g-2{)}_{\ell }$ and Neutrino Mass in an Extended $U(1{)}_{L_{\mu }-L_{\tau }}$ Model Constrained through the $Z\to {\ell }^{+}{\ell }^{-}$ Decays
• Lepton flavor violation by three units
• Charged Lepton Flavor Violation at the High-Energy Colliders: Neutrino Mass Relevant Particles
• Constraints on exotic particle masses from flavor violating charged lepton decays and the role of interference
• Search for the charged lepton flavor violating decay $\psi (3686)\to e^{\pm }{\mu }^{\mp }$
• Probing charged lepton flavor violation with axion-like particles at Belle II