https://doi.org/10.1140/epjp/s13360-025-06346-5
Regular Article
Neutrino mass and mixing from a novel scenario with 
symmetry
Department of Physics, Tay Nguyen University, Buon Ma Thuot, Dak Lak, Vietnam
Received:
4
February
2025
Accepted:
19
April
2025
Published online:
16
May
2025
We propose a standard model (SM) extension with symmetry giving rise to the desired neutrino mass matrix structure with the suitable correlation 
by the contributions of the Weinberg-type operators and the type-I seesaw mechanism. We find the parameters of the model that can predict the sum of neutrino masses, the effective neutrino mass, the Dirac and Majorana CP phases for both the normal ordering (NO) and the inverted ordering (IO). Our analysis reveals a narrow range for the sum of neutrino masses, approximately 131 meV for NO and 157 for IO, two mass squared differences 
and 
for NO, while 
and 
for IO, and the Dirac phase 
for IO and 
for IO. Utilizing these constraints, we determine the effective Majorana mass, two Majorana phases and the lightest neutrino mass for both NO and IO. Finally, we estimate the magnitude of the Yukawa-like couplings which can naturally account for the charged-lepton and neutrino mass hierarchies.
Copyright comment Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2025
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
