EPJ Web Conf.
Volume 240, 2020The 11th Southeast Asia Astronomy Networking Meeting (SEAAN Meeting 2019)
|Number of page(s)||9|
|Published online||21 August 2020|
A Phenomenological Model of Effectively Oscillating Massless Neutrinos and Its Implications
1 Department of Physics, National University of Singapore, Singapore
2 Centre for Quantum Technologies, National University of Singapore, Singapore
* e-mail: email@example.com
Published online: 21 August 2020
We discuss an alternative picture of neutrino oscillation. In this phenomenological model, the flavor-changing phenomena of massless neutrinos arise from scattering processes between neutrinos and four types of undetected spin-0 massive particles pervading throughout the Universe, instead of neutrinos’ own nature. These scattering processes are kinematically similar to Compton scattering. One type of left-handed massless sterile neutrino is needed in order to reproduce the neutrino oscillation modes predicted in the theory of neutrino mixing. Implications of our model include the existence of sterile neu- trinos, the nonconservation of active neutrinos, the possible mismatch among three neutrino mass squared diﬀerences ∆m2ij interpreted in the theory of neutrino mixing, the spacetime dependence of neutrino oscillation, and the impossibility of neutrinoless double beta decay. Several important open problems in neutrino physics become trivial or less severe in our model, such as the smallness of neutrino masses, neutrino mass hierarchy, the mechanism responsible for neutrino masses, and the Dirac/Majorana nature of neutrinos.
© The Authors, published by EDP Sciences, 2020
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