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Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC) (Institutional affiliation from the last research proposal) Birthplace: Brazil
graduation at Física from Universidade de São Paulo (2004), master's at Physics from Universidade de São Paulo (2007), master's at Mestrado em Física Avançada e Profissional from Universitat Autònoma de Barcelona - UAB (2008) and doctorate at Física from Universitat Autònoma de Barcelona - UAB (2011). Has experience in Physics, focusing on Physics of Elementary Particles and Fields, acting on the following subjects: hadrons, qcd, strong interactions, acoplamento forte and perturbative qcd. (Source: Lattes Curriculum)
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The absence of a clear experimental signal for beyond Standard Model physics at the LHC indicates that, in the next few years, many tests of the Standard Model will be based on indirect searches through precision physics. In this context, an excellent control over Quantum Chromodynamics (QCD) is essential, since the precise description of several key observables in particle physics requir…
Quark masses are fundamental parameters of the Standard Model that play a keyrole in precision tests of the theory. They cannot be directly observed due to the confining nature of the strong interactions and can only be measured indirectly through observables that strongly depend on them and which can be computed with high precision in QCD. An example of these observables are moment…
The precise knowledge of fundamental Quantum Chromodynamics (QCD) parameters is essential to precision calculations in particle physics. Several of them can be determined through the sound theoretical description of hadronic tau decays combined with experimental data obtained at LEP (CERN). In 2014, the group responsible for the ALEPH data published a re-analysis of the data for hadronic …
One of the most prominent observables in ParticlePhysics is the anomalous magnetic moment of the muon, known as g(mu)-2, which provides a stringent indirect test of the Standard Model (SM). The SM prediction for g(mu)-2 depends crucially on the hadronic vacuum polarization (HVP) contribution. At present, the latest experimental result from the Muon g-2 collaboration, published in 2023, sh…
The observable R(s), built from the inclusive cross-section for the process e+e to (hadrons), plays a central role in QCD. Apart from its intrinsic importance for testing the theory, it is directly related to the contribution of quarks and gluons to the anomalous magnetic moment of the muon. In this work, the student will develop the description of this observable in the context of pertur…
The determination of the strong coupling, alpha_s, from the theoretical description of inclusive hadronic tau decays in Quantum Chromodynamics (QCD) is one of the most precise alpha_s extractions from experimental data. The theoretical description is dominated by perturbation theory, but receives non-perturbative contributions from the Operator Product Expansion and duality violations. Fo…
(Only some records are available in English at this moment)
The outreach project aims to popularize the research done in the context of the Young Researcher Grant Phase 2 'Standard Model Tests: Precision QCD and Muon g-2'. This will be achieved through a series of short videos. The videos will cover introductory aspects of particle physics - of more general interest - as well as slightly more advanced topics, along with recent results obtained by …
The outreach project aims to popularize the research done in the context of the Young Researcher Grant Phase 2 'Standard Model Tests: Precision QCD and Muon g-2'. This will be achieved through a series of short videos. The videos will cover introductory aspects of particle physics - of more general interest - as well as slightly more advanced topics, along with recent results obtained by …
In quantum field theory, dimension regularization is a standard technique. It consists, essentially, in the regularization of divergent expressions by extending them to d space-time dimensions. The use of this technique requires a consistent treatment of the problem in d dimensions. In this project the student will study the hydrogen atom in d dimensions which is a problem that touches se…
(Only some records are available in English at this moment)
The determination of the Quantum Chromodynamics (QCD) coupling, alpha_s, from the theoretical description of inclusive tau in (hadrons) + nu_tau decays, dominated by perturbative QCD, is one of the most precise as extractions from experimental data. In these decays, the hadronic vector and axial vector spectral functions are experimentally accessible. Recently, we have shown that the vect…
In the absence of direct evidence for physics beyond the Standard Model (BSM), indirect searches play a major role in testing the theory. At present, one of the most prominent examples is the anomalous magnetic moment of the muon, known as g_mu-2. The latest experimental result from the Muon g-2 collaboration, published in 2021, shows a 4.2 sigma tension with the dispersion-relation based…
In the absence of direct observation of Beyond Standard Model physics in the LHC, precise tests of the theory require increasing precision. The decay width of the Higgs boson into gluons is known up to fourth order in the strong coupling, alpha_s. In this work, we will study the effects due to higher-order QCD corrections in this decay. The main calculation of this project will be perfor…
| 1 / 1 | Ongoing grants |
| 2 / 2 | Completed research grants |
| 4 / 4 | Ongoing scholarships in Brazil |
| 22 / 18 | Completed scholarships in Brazil |
| 3 / 3 | Completed scholarships abroad |
| 32 / 28 | All research grants and scholarships |
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