Low-energy limits on heavy Majorana neutrino masses from the neutrinoless double-beta decay and non-unitary neutrino mixing

Abstract

In the type-I seesaw mechanism, both the light Majorana neutrinos (ν_1, ν_2, ν_3) and the heavy Majorana neutrinos (N_1, ..., N_n) can mediate the neutrinoless double-beta (0νββ) decay. We point out that the contribution of ν_i to this 0νββprocess is also dependent on the masses M_k and the mixing parameters R_{ek} of N_k as a direct consequence of the exact seesaw relation, and the effective mass term of ν_i is in most cases dominant over that of N_i. We obtain a new bound |\sum R^2_{ek} M_k| < 0.23 eV (or < 0.85 eV as a more conservative limit) at the 2σlevel, which is much stronger than |\sum R^2_{ek} M^{-1}_k| < 5 \times 10^{-8} GeV^{-1} used in some literature, from current experimental constraints on the 0νββdecay. Taking the minimal type-I seesaw scenario for example, we illustrate the possibility of determining or constraining two heavy Majorana neutrino masses by using more accurate low-energy data on lepton number violation and non-unitarity of neutrino mixing.

arXiv commentRevTeX 12 pages, 1 PS figure. Accepted for publication in PLB

References in corpus (40)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory
• First Results from KamLAND: Evidence for Reactor Anti-Neutrino Disappearance
• Double Beta Decay, Majorana Neutrinos, and Neutrino Mass
• Indications of Neutrino Oscillation in a 250 km Long-baseline Experiment
• The Search for Heavy Majorana Neutrinos
• Mass and Flavor Mixing Schemes of Quarks and Leptons
• Right-Handed Neutrinos at LHC and the Mechanism of Neutrino Mass Generation
• Cosmological Sign of Neutrino CP Violation
• Distinguishing seesaw models at LHC with multi-lepton signals
• Radiatively Induced Neutrino Masses and Large Higgs-Neutrino Couplings in the Standard Model with Majorana Fields
• Low energy effects of neutrino masses
• Unitarity of the Leptonic Mixing Matrix
• Neutrino Mass Models
• CP-violation from non-unitary leptonic mixing
• Results from a search for the $0\nu \beta \beta$-decay of ${}^{130}Te$
• Models of Neutrino Masses and Mixings
• Observables sensitive to absolute neutrino masses. II
• Non-decoupling of Heavy Neutrinos and Lepton Flavour Violation
• Flavor Mixing and CP Violation of Massive Neutrinos
• See-Saw Energy Scale and the LSND Anomaly
• Constraints from Neutrino Oscillation Experiments on the Effective Majorana Mass in Neutrinoless Double $\beta$-Decay
• Non-unitary neutrino mixing and CP violation in the minimal inverse seesaw model
• Neutrino Masses, Lepton Flavor Mixing and Leptogenesis in the Minimal Seesaw Model
• Correlation between the Charged Current Interactions of Light and Heavy Majorana Neutrinos
• Probing non-unitary mixing and CP-violation at a Neutrino Factory
• Neutrino Phenomenology of Very Low-Energy Seesaws
• Testing non-unitarity of neutrino mixing matrices at neutrino factories
• Non-unitarity effects in a realistic low-scale seesaw model
• Implications of Leptonic Unitarity Violation at Neutrino Telescopes
• Inverse Neutrinoless Double Beta Decay Revisited
• CP violation in neutrino oscillations and new physics
• On the Neutrino Mass Spectrum and Neutrinoless Double-Beta Decay
• Multiple seesaw mechanisms of neutrino masses at the TeV scale
• Vanishing Effective Mass of the Neutrinoless Double Beta Decay?
• A Compromise between Neutrino Masses and Collider Signatures in the Type-II Seesaw Model
• Non-unitary deviation from the tri-bimaximal lepton mixing and its implications on neutrino oscillations
• Theoretical Overview of Neutrino Properties
• Model-independent Constraint on the Neutrino Mass Spectrum from the Neutrinoless Double Beta Decay
• GeV Seesaw, Accidentally Small Neutrino Masses, and Higgs Decays to Neutrinos

Cited by in corpus (22)

• Flavor structures of charged fermions and massive neutrinos
• TeV Scale See-Saw Mechanisms of Neutrino Mass Generation, the Majorana Nature of the Heavy Singlet Neutrinos and $\betabeta$-Decay
• Neutrinoless double beta decay in seesaw models
• Naturalness, Vacuum Stability and Leptogenesis in the Minimal Seesaw Model
• Neutrinoless double-$\beta$ decay in TeV scale Left-Right symmetric models
• Mixing of Active and Sterile Neutrinos
• Vanishing effective mass of the neutrinoless double beta decay including light sterile neutrinos
• The minimal seesaw and leptogenesis models
• Inverse Neutrino-less Double Beta Decay Revisited: Neutrinos, Higgs Triplets and a Muon Collider
• How to interpret a discovery or null result of the $0\nu 2\beta$ decay
• Non-unitary Leptonic Flavor Mixing and CP Violation in Neutrino-antineutrino Oscillations
• On Non-Unitary Lepton Mixing and Neutrino Mass Observables
• Light Sterile Neutrinos, Left-Right Symmetry, and $0\nu \beta \beta$ Decay
• Towards testing the unitarity of the 3X3 lepton flavor mixing matrix in a precision reactor antineutrino oscillation experiment
• Enhanced Electromagnetic Transition Dipole Moments and Radiative Decays of Massive Neutrinos due to the Seesaw-induced Non-unitary Effects
• Neutrino Masses and A TeV Scale Seesaw Mechanism
• Friedberg-Lee symmetry and tri-bimaximal neutrino mixing in the inverse seesaw mechanism
• Neutrinoless double beta decay in the minimal type-I seesaw model: How the enhancement or cancellation happens?
• Non-unitarity of the leptonic mixing matrix in the TeV-scale type-I seesaw model
• Probing unitarity violation of lepton flavor mixing matrix with reactor antineutrinos at JUNO and TAO
• Identifying a minimal flavor symmetry of the seesaw mechanism behind neutrino oscillations
• Study of neutrinoless double beta decay in the Standard Model extended with sterile neutrinos