Ricardo D'Elia Matheus in research grants and scholarships supported by FAPESP.
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The aim of this project is to study strongly interacting theories and their applications to physics beyond the Standard Model (SM) at the TeV scale. It is doubly motivated: on one side we have theoretical reasons to expect new physics at this scale, on the other this is the scale that soon will be tested at the Large Hadron Colider (LHC), that is already producing results. The idea is to …
It is exceedingly important to bring undergraduate students in contact with frontline research topics as soon as they can handle it. In this project will contribute to the candidate's education by studying introductory texts in Particle Physics and Quantum Field Theory. Besides the usual reading and discussion of the texts, we will also work on producing Mathematica scripts that implement…
The Large Hadron Collider (LHC) is entering now a new era, bringing rare and highly energetic events to experimental reach. Unlike the previous period, when we had a clear idea of what to search for, now we have a considerable number of attractive theories that must be tested in this new Higgs sector, which requires a greater collaboration between experimental and theoretical physicists. …
The QCD Sum Rules (QCDSR) method allows us to have an approximate treatment for non-perturbative effects in QCD. Using this technique one can obtain hadronic parameters from the underlying theory, namely QCD. The calculations involved are lengthy, with many Feynman diagrams and loops even at leading order (LO). As a consequence of this technical difficulty many recent QCDSR results are ob…
The possibility that no new physics will be found at the TeV scale is spurring the community to go back to the motivating points for the expectation of new physics: the Hierarchy Problem and the concept of naturalness. Some authors have recently come out with new models that allegedly solve the problem without predicting new physics at low energy, but these usually depend on strong assump…
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Minimal Composite Higgs Models (MCHM), with fermions in the fundamental representation of SO(5) and in the 14 of SO(5), are taken as the starting hypothesis to study the possible impact of compositeness in the ttH and HH production processes at LHC, with particular interest in searching for the enhancement of the ttHH production cross-section wrt the SM expectation. The search for this en…
Delta baryons are the first excitations of the nucleons that can bemeasured in nuclear matter and experimental data on some resonances point to a general broadening of these states with a small effect to their masses. More recent data seems to indicate a stronger effect to the mass of states at higher densities, what is more in line with early theoretical studies, which predict dropping h…
This project is focused on model building and phenomenology of particle physics beyond the Standard Model. In particular, we will explore models of Composite Higgs and Cosmological Relaxation of the Electroweak scale and intend on building new models in these frameworks utilizing the technology of N-site theory space constructions. We plan to study the phenomenology of the resulting model…
(Only some records are available in English at this moment)
| 4 / 2 | Completed research grants |
| 1 / 1 | Ongoing scholarships in Brazil |
| 11 / 8 | Completed scholarships in Brazil |
| 4 / 4 | Completed scholarships abroad |
| 20 / 15 | All research grants and scholarships |
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