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Exploring light dark sectors

Grant number: 20/08096-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): February 01, 2021
Effective date (End): September 30, 2024
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Renata Zukanovich Funchal
Grantee:Gustavo Figueiredo Severiano Alves
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:19/04837-9 - Particle Physics Phenomenology, AP.TEM

Abstract

This project aims to explore new light degrees of freedom, which appear in many models, in order to explain low energy experimental data which seem to contradict theoretical expectations. The Kaon decay rate measured by KOTO, the low energy excess of electron-like events observed by MiniBooNE as well as the anomalous magnetic moment of the muon, and perhaps also of the electron, are among these data. In particular, we will investigate these observables in a new extension of the standard model where neutrino masses and mixing are dynamically generated by a dark light sector and that can already explain the excess of events of the MiniBooNE experiment. We will also explore the observable consequences of these light particles in present and future neutrino experiments. (AU)

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