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Texture Zeros for Dirac neutrino Mass Matrices

Benavides, Richard Y Giraldo, Yithsbey Y Muñoz, Luis Y Ponce, William Y Rojas, Eduardo (2019) Texture Zeros for Dirac neutrino Mass Matrices. In: 20th International Workshop on Next generation Nucleon Decay and Neutrino Dectectors (NNN19), 7-9 Nov 2019, Medellín, Colombia. (Unpublished)

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URL Oficial: https://indico.cern.ch/event/835190/

Resumen

The basic block In this work, we consider some of the phenomenologi-cal consequences of having Dirac neutrino masses instead of Majorana masses as assumed in most of the current literature. In order to carry out this analysis, we propose new five-zero textures for the mass matrices of the lepton sector. From our approach, we find new values for the neutrino masses in both, the normal and inverted hierarchy. These zero textures reproduce the U pmns mixing matrix and deliver relationships between the mixing angles and the lepton masses. In order to have reliable results, we have used two different procedures. The first method is based on a least-squares analysis to adjust the lepton masses and the mixing parameters to their corresponding experimental values. The second approach corresponds to the weak basis transformation which is a well-known technique to analyze textures and their implications for neutrino physics. Both the first and second method are consistent with a lightest neutrino mass equal to 4 × 10 −3 eV and 3.7 × 10 −3 eV, respectively.

Tipo de Elemento: Conferencia o Taller artículo (Poster)
Asunto: Q Ciencias > QC Physics
Division: Facultad de Ciencias Exactas y Naturales > Programa de Física > Eventos
Depósito de Usuario: Prof. Eduardo Rojas
Fecha Deposito: 05 Oct 2021 17:15
Ultima Modificación: 05 Oct 2021 17:15
URI: http://sired.udenar.edu.co/id/eprint/6133

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