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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.2021.tde-09072021-125235
Document
Author
Full name
Martín Dionisio Arteaga Tupia
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2021
Supervisor
Committee
Bertuzzo, Enrico (President)
Eboli, Oscar Jose Pinto
Hernández, Nicolás Bernal
Matheus, Ricardo D'Elia
Nishi, Celso Chikahiro
Title in English
The role of Effective Field Theories in the search for Beyond Standard Model physics
Keywords in English
Cosmic Neutrino Background
Dark Sectors
Effective Field Theory
Gravitational Waves
Hierarchy Problem
Abstract in English
In this work we explore some uses of effective field theories (EFTs) to shed some light on modern problems in high energy physics, such as neutrino masses, dark matter/dark sectors and the hierarchy problem. In particular, we will analyze the problem of the detection of cosmic background neutrinos (and how the presence of physics beyond the standard model can affect it), the renormalization group properties of dark sectors that communicate with the standard model via mediators that carry a flavor charge and, finally, the gravitational imprints of a candidate to solve the hierarchy problem, the relaxion.
Title in Portuguese
O papel das Teorias de Campo Efetivas na procura da física além do Modelo Padrão
Keywords in Portuguese
Fundo Cósmico de Neutrinos
Ondas Gravitacionais
Problema da Hierarquia
Setores Escuros
Teorias Efetivas de Campos
Abstract in Portuguese
Neste trabalho exploramos alguns usos das teorias efetivas de campos (EFTs) para dar alguma luz sobre problemas modernos na física de altas energias, tais como as massas dos neutrinos, a matéria escura e os setores escuros. Em particular, vamos analisar o problema da detecção do fundo cósmico de neutrinos (e como a presença da física além do modelo padrão pode afetá-lo), as propriedades do grupo de renormalização dos setores escuros que se comunicam com o modelo padrão via mediadores que carregam uma carga de sabor e, finalmente, os sinais gravitacionais de um candidato a resolver o problema da hierarquia, o relaxion.
 
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tdearteaga.pdf (11.08 Mbytes)
Publishing Date
2021-07-14
 
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