6533b829fe1ef96bd128aed4
RESEARCH PRODUCT
Flavour and CP predictions from orbifold compactification
Carlos A. Vaquera-araujoCarlos A. Vaquera-araujoJosé W. F. ValleFrancisco J. De Andasubject
QuarkPhysicsNuclear and High Energy PhysicsParticle physicsSpacetimeCompactification (physics)010308 nuclear & particles physicsHigh Energy Physics::LatticeFlavourHigh Energy Physics::PhenomenologyFOS: Physical sciencesFermion01 natural sciencesComputer Science::Digital Librarieslcsh:QC1-999High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)0103 physical sciencesHigh Energy Physics::Experiment010306 general physicsMass parameterOrbifoldlcsh:PhysicsLeptondescription
We propose a theory for fermion masses and mixings in which an $A_4$ family symmetry arises naturally from a six-dimensional spacetime after orbifold compactification. The flavour symmetry leads to the successful "golden" quark-lepton unification formula. The model reproduces oscillation parameters with good precision, giving sharp predictions for the CP violating phases of quarks and leptons, in particular $\delta^\ell \simeq +268 ^\circ$. The effective neutrinoless double-beta decay mass parameter is also sharply predicted as $\langle m_{\beta\beta}\rangle \simeq 2.65\ meV$.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-02-01 |