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Geometric phase of neutrinos in matter and in magnetic field: differences between Dirac and Majorana neutrinos

Capolupo, A.; Giampaolo, Salvatore Marco; Hyesmayr, B; Vitilello, G (2018) Geometric phase of neutrinos in matter and in magnetic field: differences between Dirac and Majorana neutrinos. Physics Letters B, 780 . pp. 216-220. ISSN 0370-2693

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Abstract

We analyze the non-cyclic geometric phase for neutrinos. We find that the geometric phase and the total phase associated to the mixing phenomenon provide a theoretical tool to distinguish between Dirac and Majorana neutrinos. Our results hold for neutrinos propagating in vacuum and through the matter. We feed the values of the experimental parameters in our formulas in order to make contact with experiments. Although it remains an open question how the geometric phase of neutrinos could be detected, our theoretical results may open new scenarios in the investigation of the neutrino nature.

Item Type: Article
Additional Information: A.C. and G.V. acknowledge partial financial support from MIUR and INFN, A.C. also acknowledges the COST Action CA1511 Cosmology and Astrophysics Network for Theoretical Advances and Training Actions (CANTATA), S.M.G. financial support from the Ministry of Science, Technology and Innovation of Brazil and B.C.H. Austrian Science Fund (FWFP26783).
Uncontrolled Keywords: neutrino; neutrino's nature
Subjects: NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions: UNSPECIFIED
Depositing User: Salvatore Marco Giampaolo
Date Deposited: 30 Apr 2020 06:12
Last Modified: 30 Apr 2020 06:12
URI: http://fulir.irb.hr/id/eprint/5445
DOI: 10.1016/j.physletb.2018.03.016

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