Unitarity violation in sequential neutrino mixing in a model of extra dimensions
arXiv:0907.0099 · doi:10.1103/PhysRevD.80.075013
Abstract
We investigate the possibility of unitarity violation in the sequential neutrino mixing matrix in a scenario with extra compact spacelike dimensions. Gauge singlet neutrinos are assumed to propagate in one extra dimension, giving rise to an infinite tower of states in the effective four-dimensional theory. It is shown that this leads to small lepton-number violating entries in the neutrino mass matrix, which can violate unitarity on the order of one per cent.
16 pages, 2 tables
References in corpus (12)
- CP-violation from non-unitary leptonic mixing
- Pair Production of Doubly-Charged Scalars: Neutrino Mass Constraints and Signals at the LHC
- Non-unitary neutrino mixing and CP violation in the minimal inverse seesaw model
- Direct determination of neutrino mass parameters at future colliders
- Probing non-unitary mixing and CP-violation at a Neutrino Factory
- Minimal supergravity sneutrino dark matter and inverse seesaw neutrino masses
- Testing non-unitarity of neutrino mixing matrices at neutrino factories
- Radiative Inverse Seesaw: Verifiable New Mechanism of Neutrino Mass
- Testing neutrino masses in little Higgs models via discovery of doubly charged Higgs at LHC
- Neutrino Oscillation Parameters After High Statistics KamLAND Results
- Neutrino Mass: Mechanisms and Models
- Kaluza-Klein Induced Supersymmetry Breaking for Braneworlds in Type IIB Supergravity