6533b7d6fe1ef96bd1267131
RESEARCH PRODUCT
Quasi-Dirac neutrino oscillations at DUNE and JUNO
G. AnamiatiM. TortolaM. TortolaV. De RomeriMartin HirschC. A. Ternessubject
PhysicsParticle physics010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyFOS: Physical sciences01 natural sciencesHigh Energy Physics - Experimentsymbols.namesakeMAJORANAHigh Energy Physics - PhenomenologyHigh Energy Physics - Experiment (hep-ex)High Energy Physics - Phenomenology (hep-ph)0103 physical sciencessymbolsNeutrino010306 general physicsHamiltonian (quantum mechanics)Neutrino oscillationLagrangiandescription
Quasi-Dirac neutrinos are obtained when the Lagrangian density of a neutrino mass model contains both Dirac and Majorana mass terms, and the Majorana terms are sufficiently small. This type of neutrinos introduces new mixing angles and mass splittings into the Hamiltonian, which will modify the standard neutrino oscillation probabilities. In this paper, we focus on the case where the new mass splittings are too small to be measured, but new angles and phases are present. We perform a sensitivity study for this scenario for the upcoming experiments DUNE and JUNO, finding that they will improve current bounds on the relevant parameters. Finally, we also explore the discovery potential of both experiments, assuming that neutrinos are indeed quasi-Dirac particles.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2019-08-28 |