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See-saw Mechanism in Composite Higgs Models

Grant number: 17/19765-8
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): January 01, 2018
Effective date (End): September 30, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Eduardo Pontón
Grantee:Yuber Ferney Pérez González
Home Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Associated research grant:16/01343-7 - ICTP South American Institute for Fundamental Research: a regional center for theoretical physics, AP.TEM


The hierarchy problem and the smallness of neutrino masses are two of the problems, which have been considered in the literature in the last years, are considered disconnected. Nevertheless, taking into account the last experimental results from LHC, new approaches have been proposed recently to solve the fine-tunning problem. One of such approaches uses the neutral naturalness principle, and it describes how the top quarks partners are simultaneously right-handed neutrinos, responsible to generate mass to active neutrinos. This postdoctoral proyect intends to explore the ideia in which fermions and scalars responsible for mass generation in the neutrino sector are composed particles coming from a strongly-interacting sector. This possibility is indeed very appealing since there is a large quantity of phenomenological and cosmological limits that can be considered to determine its viability.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GEHRLEIN, JULIA; GONCALVES, DORIVAL; MACHADO, PEDRO A. N.; PEREZ-GONZALEZ, YUBER F. Natural and dynamical neutrino mass mechanism at the LHC. Physical Review D, v. 98, n. 3 AUG 30 2018. Web of Science Citations: 1.

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