The NuTeV Anomaly, Lepton Universality, and Non-Universal Neutrino-Gauge Couplings

Abstract

In previous studies we found that models with flavor-universal suppression of the neutrino-gauge couplings are compatible with NuTeV and Z-pole data. In this paper we expand our analysis to obtain constraints on flavor-dependent coupling suppression by including lepton universality data from W, tau, pi and K decays in fits to model parameters. We find that the data are consistent with a variety of patterns of coupling suppression. In particular, in scenarios in which the suppression arises from the mixing of light neutrinos with heavy gauge singlet states (neutrissimos), we find patterns of flavor-dependent coupling suppression which are also consistent with constraints from mu -> e gamma.

arXiv commentREVTeX4, 25 pages, 10 postscript figures. Updated fits using the new top mass. Updated figures. Extended discussion on the status of the determination of B(tau->pi nu)

References in corpus (42)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• A Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering
• New Limit for the Family-Number Non-conserving Decay mu+ to e+_gamma
• Detailed calculation of lepton flavor violating muon-electron conversion rate for various nuclei
• New Bounds from Searching for Muonium to Antimuonium Conversion
• ZFITTER v.6.21 - A Semi-Analytical Program for Fermion Pair Production in e+e- Annihilation
• Predictions for g-2 of the muon and alpha_QED(M_Z^2)
• Complete 2-loop Quantum Electrodynamic Contributions to the Muon Lifetime in the Fermi Model
• Analytic approach to the complete set of QED corrections to fermion pair production in e+e- annihilation
• Is the Unitarity of the quark-mixing-CKM-matrix violated in neutron $\beta$-decay?
• Old and new physics interpretations of the NuTeV anomaly
• Fermi Constants and ``New Physics''
• QED corrections with partial angular integration to fermion pair production in e+e- - annihilation
• On the Effect of Asymmetric Strange Seas and Isospin-Violating Parton Distribution Functions on sin2thetaW Measured at NuTeV
• Short and Long Distance Effects in the Decay $\tau \to \pi {\nu }_{\tau }(\gamma )$
• Phenomenological implications of neutrinos in extra dimensions
• Electroweak Data and the Higgs Boson Mass: A Case for New Physics
• Lepton Flavor Violating Processes and Muon g-2 in Minimal Supersymmetric SO(10) Model
• The Parton Structure of the Nucleon and Precision Determination of the Weinberg Angle in Neutrino Scattering
• Target Mass Corrections to Electro-Weak Structure Functions and Perturbative Neutrino Cross Sections
• Higgs-mediated muon-electron conversion process in supersymmetric seesaw model
• Electroweak radiative corrections to deep-inelastic neutrino scattering - implications for NuTeV ?
• Quark Mixing, CKM Unitarity
• The NuTeV Anomaly, Neutrino Mixing, and a Heavy Higgs Boson
• Phenomenological Consequences of Singlet Neutrinos
• Constraining new interactions with leptonic tau decays
• Muonium-Antimuonium oscillations and massive Majorana neutrinos
• Quark-Lepton Unification and Lepton Flavor Non-Conservation from a TeV-scale Seesaw Neutrino Mass Texture
• The Top Priority: Precision Electroweak Physics from Low to High Energy
• Anomalous Neutrino Interaction, Muon g-2, and Atomic Parity Nonconservation
• Analytic Estimates of the QCD Corrections to Neutrino-Nucleus Scattering
• The MECO experiment: A search for lepton flavor violation in muonic atoms
• Neutrino mediated muon--electron conversion in nuclei revisited
• Measurement of Branching Fractions in Tau Decays
• Measurement of the one-prong hadronic tau branching ratios at LEP
• Radiative processes (tau -> mu gamma, mu -> e gamma and muon g-2) as probes of ESSM/SO(10)
• The $(g-2{)}_{\mu }$ anomaly, Higgs bosons and heavy neutrinos
• Interpretations of the NuTeV ${\sin }^2{\theta }_W$
• Leptonic Probes of the Standard Model
• Electroweak Physics
• CLEO Contributions to Tau Physics
• Tau physics at LEP

Cited by in corpus (38)

• Flavour physics of leptons and dipole moments
• Unitarity of the Leptonic Mixing Matrix
• Global constraints on heavy neutrino mixing
• Non-unitarity of the leptonic mixing matrix: Present bounds and future sensitivities
• General bounds on non-standard neutrino interactions
• Lepton number and flavour violation in TeV-scale left-right symmetric theories with large left-right mixing
• Global Fit to Modified Neutrino Couplings and the Cabibbo-Angle Anomaly
• Probing non-unitary mixing and CP-violation at a Neutrino Factory
• Topical Review on "Beta-beams"
• Loop level constraints on Seesaw neutrino mixing
• Precision tests of unitarity in leptonic mixing
• Electroweak higher-order effects and theoretical uncertainties in deep-inelastic neutrino scattering
• Making the Sneutrino a Higgs with a $U(1{)}_R$ Lepton Number
• "L=R" - $U(1{)}_R$ as the Origin of Leptonic 'RPV'
• Effective approach to lepton observables: the seesaw case
• Neutrino non-standard interactions meet precision measurements of $N_{\mathrm{eff}}$
• Nucleon sea in the effective chiral quark model
• $R_{D^{(\ast )}}$, $R_{K^{(\ast )}}$ and neutrino mass in the 2HDM-III with right-handed neutrinos
• Electroweak Tests at Beta-beams
• Terascale Physics Opportunities at a High Statistics, High Energy Neutrino Scattering Experiment: NuSOnG
• Gauged Lepton Flavour
• Dipole-Coupled Neutrissimo Explanations of the MiniBooNE Excess Including Constraints from MINERvA Data
• Experimental study of rare charged pion decays
• Lepton non-universality at LEP and charged Higgs
• Nuclear modification difference between u_v and d_v distributions and its relation to NuTeV sin^2 theta_W anomaly
• Neutrino Oscillations in a Supersymmetric SO(10) Model with Type-III See-Saw Mechanism
• Comprehensive Analysis of Charged Lepton Flavour Violation in the Symmetry Protected Type-I Seesaw
• Low scale Seesaw model and Lepton Flavor Violating Rare B Decays
• Nonstandard Higgs Decays with Visible and Missing Energy
• Neutrino Mass Limit from Galaxy Cluster Number Density Evolution
• $\nu$ Electroweak Baryogenesis: The Scalar Singlet Strikes Back
• Probing a slepton Higgs on all frontiers
• Effect due to charge symmetry violation on the Paschos-Wolfenstein relation
• New results in rare allowed muon and pion decays
• On a Latent Structure of Lepton Universality
• The Experimental Status of the Standard Electroweak Model at the End of the LEP-SLC Era
• R-parity violation in SU(5)
• PEN: a low energy test of lepton universality