PoS - Proceedings of Science
Volume 441 - XVIII International Conference on Topics in Astroparticle and Underground Physics (TAUP2023) - Neutrino Physics and Astrophysics
Neutrino oscillations revisited and neutrinoless double beta decay
F. Šimkovic* and A. Khatun
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Pre-published on: February 14, 2024
Published on: March 22, 2024
The theory of neutrino oscillations remains to be an open problem. To address this, a new quantum field theory formalism of neutrino oscillations is advocated. This formalism includes neutrino emission and detection in a second-order Feynman diagram, demonstrates entanglement between the two processes and leads to the expected production rate for Racah’s process, which involves the oscillation of neutrinos into antineutrinos (and vice versa). Further, a link between the Majorana masses of neutrinos, which govern the neutrinoless double-beta decay and the process based on neutrino-antineutrino oscillation, is established. It is argued that further investigation is necessary to explore the potential of Racah’s process in determining the Majorana nature of neutrinos.
DOI: https://doi.org/10.22323/1.441.0346
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