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6 papers · 2 filters
Pion in the Medium with a Light-Front Model
J. P. B. C. de Melo, Kazuo Tsushima, Tobias Frederico
The pion properties in symmetric nuclear matter are investigated with the Quark-Meson Coupling (QMC) Model plus the light-front constituent quark model~(LFCQM). The LFCQM has been…
Cosmological and Particle Physics Constraints on a New Non-Abelian SU(3) Gauge Model for Ordinary/Dark Matter Interaction
O. Oliveira, C. A. Bertulani, M. S. Hussein +2
We propose a mirror model for ordinary and dark matter that assumes a new SU(3) gauge group of transformations, as a natural extension of the Standard Model (SM). A close study of…
CP violation: Dalitz interference, CPT and FSI
J. H. Alvarenga Nogueira, I. Bediaga, A. B. R. Cavalcante +2
Resonances and final state interactions (FSI) play a role in the formation of CP violation (CPV) constrained by CPT invariance. We provide a general formulation of CPV including re…
Spin-1 Particles with Light-Front Approach
J. P. B. C. de Melo, Anacé N. da Silva, Clayton S. Mello +1
For the vector sector, i.e, mesons with spin-1, the electromagnetic form factors and anothers observables are calculated with the light-front approach. However, the light-front qua…
Solving the inhomogeneous Bethe-Salpeter Equation in Minkowski space: the zero-energy limit
T. Frederico, G. Salme', M. Viviani
For the first time, the inhomogeneous Bethe-Salpeter Equation for an interacting system, composed by two massive scalars exchanging a massive scalar, is numerically investigated in…
Light-Front Spin-1 Model: Parameters Dependence
Clayton S. Mello, Anacé N. da Silva, J. P. B. C. de Melo +1
We study the structure of the -meson within a light-front model with constituent quark degrees of freedom. We calculate electroweak static observables: magnetic and quadrupole m…