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Exploring the hadron structure through the Bethe-Salpeter Equation in Minkowski space

Grant number: 17/14695-1
Support type:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): September 01, 2017
Effective date (End): August 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Tobias Frederico
Grantee:Jorge Henrique de Alvarenga Nogueira
Supervisor abroad: Giovanni Salme
Home Institution: Divisão de Ciências Fundamentais (IEF). Instituto Tecnológico de Aeronáutica (ITA). Ministério da Defesa (Brasil). São José dos Campos , SP, Brazil
Research place: Università degli Studi di Roma La Sapienza, Italy  
Associated to the scholarship:14/19094-8 - Three-body heavy meson decay and CP violation, BP.DD


The aim of the present project is to start the construction of a totally new tool for phenomenologically investigating both spectra and momentum distributions of light mesons and baryons,by solving the Bethe-Salpeter equation (needed for describing interacting systems in Minkowski space within a field-theory framework) with one-boson exchanges in the interaction kernel. Moreover, in order to achieve a realistic description, it will be taken into account a proper dressing of gluon and quark by exploiting Lattice results, through suitable spectral decompositions of the involved self-energies. (AU)

Scientific publications (4)
(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)
NOGUEIRA, J. H. ALVARENGA; GHERARDI, V.; FREDERICO, T.; SALME, G.; COLASANTE, D.; PACE, E. Solving the Bethe-Salpeter equation in Minkowski space for a fermion-scalar system. Physical Review D, v. 100, n. 1 JUL 29 2019. Web of Science Citations: 0.
YDREFORS, E.; ALVARENGA NOGUEIRA, J. H.; KARMANOV, V. A.; FREDERICO, T. Solving the three-body bound-state Bethe-Salpeter equation in Minkowski space. Physics Letters B, v. 791, p. 276-280, APR 10 2019. Web of Science Citations: 2.
NOGUEIRA, J. H. ALVARENGA; YDREFORS, E.; FREDERICO, T.; SALME, G. Relativistic Studies of Few-Body Systems Using the Bethe-Salpeter Approach. FEW-BODY SYSTEMS, v. 59, n. 5 SEP 2018. Web of Science Citations: 0.
ALVARENGA NOGUEIRA, J. H.; JI, CHUENG-RYONG; YDREFORS, E.; FREDERICO, T. Color-suppression of non-planar diagrams in bosonic bound states. Physics Letters B, v. 777, p. 207-211, FEB 10 2018. Web of Science Citations: 2.

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