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Signal analysis of astrophysical sources of gravitational waves and identification of theories of gravitation

Grant number: 06/07316-0
Support Opportunities:Regular Research Grants
Start date: May 01, 2007
End date: April 30, 2009
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Nadja Simão Magalhães
Grantee:Nadja Simão Magalhães
Host Institution: Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil

Abstract

The direct detection of gravitational waves will yield important consequences to Physics and Astrophysics. The SCHENBERG detector, built with FAPESP s financial support, is now in a testing phase. It is expected to be collecting scientific data in the next year. In principle, a detector such as SCHENBERG allows, among other results, the discrimination among different theories proposed to explain gravitation. Investigations are going on for several years on this subject and recently they have included theories with massive gravitons. This research project aims to develop a procedure that will allow the identification of the metric theory of gravitation from SCHENBERG s detected signal. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LENZI‚ C.H.; MAGALHÃES‚ N.S.; MARINHO JR‚ R.M.; COSTA‚ C.A.; ARAÚJO‚ H.A.B.; AGUIAR‚ O.D.. Solution of the inverse problem in spherical gravitational wave detectors using a model with independent bars. Physical Review D, v. 78, n. 6, p. 062005, . (06/56041-3, 06/07316-0)
FRAJUCA, C.; PIRES, R.; BORTOLI, F. S.; MELO, R. F.; MAGALHAES, N. S.; MARINHO, R. M., JR.; OLIVEIRA, F. G.; AGUIAR, O. D.; JOHNSON, W. W.; MARKA, Z; et al. Searching for monochromatic signals in the ALLEGRO gravitational wave detector data. WAKE CONFERENCE 2021, v. 228, p. 5-pg., . (09/01067-6, 06/56041-3, 06/07316-0)