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Search for new physics with the CMS experiment at the Large Hadron Collider

Grant number: 20/00244-0
Support type:Scholarships in Brazil - Master
Effective date (Start): July 01, 2020
Effective date (End): February 28, 2022
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Thiago Rafael Fernandez Perez Tomei
Grantee:João Paulo de Souza Böger
Home Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Associated research grant:13/01907-0 - São Paulo Research and Analysis Center, AP.TEM

Abstract

Nowadays the standard model of particles and fields (SM) can be considered as an established theory, an statement that became even stronger after the detection of the Higgs boson. Even though the SM is the theory that better describes the phenomena that happen at the scales of subatomic particles, there are experimental observations that point to the existence of physics beyond the standard model. One of the main indications that support this statement is the observation of a number of gravitational anomalies that seem to signal the presence of a new type of matter, one that is stable, massive and practically noninteracting. The microscopic nature of this new kind of matter, named dark matter, is not yet known. The goal of this project is to search for physics beyond the standard model with the data collected by the CMS experiment, where one could discover hints of the production of dark matter. We will focus on the disappearing tracks signature and use two benchmark models -- Inert Doublet Model and Feebly Interacting Massive Particle model -- to guide a feasibility study, trying to understand which regions of the parameter space of those models are still uncovered and could be studied. (AU)

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