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Universidade de São Paulo (USP). Instituto de Física (IF) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Edivaldo Moura Santos has a PhD in physics (USP), during which he studied rare decays of K-mesons with data from the fixed-target program at Fermilab. He then moved to the field of Astroparticle physics, holding posdoctoral (CBPF and LPNHE-Paris) and adjunct professor positions (UFRJ), dedicating his time mainly to the measurements of anisotropies in the flux of ultra-high energy cosmic rays measured by the Pierre Auger Observatory. He is currently an associate professor at IFUSP with interests in extragalactic gamma-ray astronomy, observational cosmology and, more recently, the direct searches for dark matter with liquified noble gases. (Source: Lattes Curriculum)
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Blazars are cosmic sources that present a spectral energy distribution that extends from radio to very high energies in several tens of TeV. The modeling of the spectral energy distribution at high energies of these sources considers two main emission mechanisms, leptonic and lepto-hadronic, which can describe the spectra observed for the two populations of blazars, that is, BL Lacertae (…
Our research project is linked to the effort towards elucidating the dark matter composition. We propose to tackle this problem both from an experimental as well as from a phenomenological point of view, giving continuity to our past research contributions. Our group has an active role in the DarkSide collaboration, which aims at direct detecting dark matter. On the phenomenological front…
The prime objective of this project is the production of revolutionary scientific results in Physics and Astrophysics through the participation of the proponents in the construction, data analysis and interpretation of the Cherenkov Telescope Array Observatory (CTA). Technological innovation and social impact are guaranteed results of this proposal given the participation of the industry …
(Only some records are available in English at this moment)
The proposed bilateral project is focused on enhancing the collaboration between the two groups from the University of São Paulo and from Universite Libre de Bruxelles by having a common scientific goal to help in revealing the sources of Ultra-High Energy Cosmic Rays. The project is aimed at finding the possible contribution of local sources to the total flux of particles that reach the …
In this project, we propose to investigate two current puzzles in astroparticle physics: the dark matter and the ultra high energy cosmic rays (UHECR) compositions. The common goal of these two fronts is to probe extensions of the standard model of particle physics. In relation to dark matter our investigations will take place in two fronts: analysis of intrinsic dark matter properties, …
In this project, we are going to develop analysis methods and explore the CTA data toimprove our understanding of the acceleration mechanisms in Galactic and Extragalacticsources. The underlying questions are related to the mechanisms generating thehighest energies of eletromagnetic and charged particles observed in nature.Among the pletora of source types to be measured by CTA, we have c…
Sources at Earth and outside our planet generate neutrinos with an energy spectrum that goes from hundreds of MeV to tens of TeV. With the increase in size of detectors used for dark matter (DM) searches, it has been soon recognized that these detectors would at some point start seeing events associated to the flux of neutrinos produced in the sun, in the Earth's crust (geo-neutrinos), in…
Since the first full-sky measurement of the CMB anisotropies by the COBE satellite in the 1990s, several anomalies have been reported that would be in tension with the so called cosmic concordance model, also known as Lambda-CDM. Such anomalies appear preferentially at large angular scales and have been associated either to possible residual contamination in the CMB maps or to new physics…
(Only some records are available in English at this moment)
We propose an undergraduate research project whose goal is to determine the general characteristics of a hypothetical survey of galaxies, such that the correlation between the CMB temperature and the galaxy distribution in our universe is maximized. Such a correlation is induced by the so-called integrated Sachs-Wolfe effect and is a direct consequence of the time variation of gravitation…
We propose here a scientific initiation project centered on the study of the relation between dark energy and the so-called Integrated Sachs-Wolfe effect. The student must master the physics behind this relation through a study program in General Relativity and Cosmology, and at the end be capable of theoretically calculating the crosse correlation signal between CMB temperature maps and …
A master's project in observational cosmology is proposed here, focused on the study of the existent tension between the value of the Hubble constant obtained from the statistical properties of the cosmic background radiation anisotropies and of the luminosity distance and recession velocity measurements of type IA supernovae (SNIa). Special attention must be paid to the details of each o…
(Only some records are available in English at this moment)
Spider pulsar systems, a class of millisecond pulsar binaries, are promising but underexplored candidates for very-high-energy (VHE) gamma-ray emission. The Cherenkov Telescope Array Observatory (CTAO) will provide unprecedented sensitivity to gamma-ray astronomy and will possibly detect these objects, enabling the study of their particle acceleration mechanisms and intrabinary shocks. Th…
With the advent of precision cosmology some tensions were detected in the cosmological parameters, between them, the one on the value of the current rate of the expansion of the universe. Motivated by such a tension on the Hubble parameter, we propose to investigate the Hubble constant value using a cosmographic approach, inferring from the data possible features that the cosmological mod…
This is a research project focused on data analyses optimization for measurements of gamma-rays performed with Imaging Atmospheric Cherenkov Telescopes (IACTs). The main goal is to eliminate explicit background rejection cuts, by incorporating into the likelihood the probabilities for a given event to come from background or signal, in order to maximize the signal-to-noise ratio. As an ap…
This is a one-year research plan focused on the science of two major Astroparticle Physics observatories: the Pierre Auger, the largest cosmic ray observatory which has been taking data since 2004 and is currently planning a general upgrade of its detection systems; the Cherenkov Telescope Array (CTA), the next generation of ground based air imaging Cherenkov telescopes for gamma-ray astr…
| 4 / 4 | Ongoing grants |
| 2 / 2 | Completed research grants |
| 9 / 9 | Ongoing scholarships in Brazil |
| 7 / 4 | Completed scholarships in Brazil |
| 1 / 1 | Ongoing scholarships abroad |
| 3 / 3 | Completed scholarships abroad |
| 26 / 23 | All research grants and scholarships |
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