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Strong interaction phenomenology

Grant number: 13/24065-4
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2014
Effective date (End): July 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Adriano Antonio Natale
Grantee:John David Gomez Aguirre
Host Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


We will study the chiral symmetry breaking in QCD and other strongly interacting gauge theories with the use of Schwinger-Dyson equations. We will introduce in these equations two gluon propagators, an effective one whose origin is atributed to confinement and the usual one-dressed dynamically massive gluon exchange. The solution of these equations can lead to a particular quark self-energy which can be used in several calculations, like the pion transition form factor, and also the production cross-section of a pair of mesons (one vector and one pseudo-scalar meson). (AU)

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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)
GOMEZ, J. D.; NATALE, A. A.. Scalar coupling evolution in a non-perturbative QCD resummation scheme. Physics Letters B, v. 747, p. 541-544, . (13/22079-8, 13/24065-4)
GOMEZ, J. D.; NATALE, A. A.. QCD fixed points: Banks-Zaksscenario or dynamical gluon mass generation?. International Journal of Modern Physics A, v. 32, n. 2-3, . (13/22079-8, 13/24065-4)
GOMEZ, J. D.; NATALE, A. A.. Re+e and an effective QCD charge. Physical Review D, v. 93, n. 1, . (13/22079-8, 13/24065-4)
DIAS, A. G.; GOMEZ, J. D.; NATALE, A. A.; QUINTO, A. G.; FERRARI, A. F.. Non-perturbative fixed points and renormalization group improved effective potential. Physics Letters B, v. 739, p. 8-12, . (13/22079-8, 13/24065-4)

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