5 papers
Nonrelativistic meson masses from the Curci-Ferrari model
Anaclara Alvez, Nahuel Barrios, Florencia Benítez +1
We study the mass spectrum of nonrelativistic mesons composed of charm and bottom quarks within the framework of the Curci-Ferrari model in the Landau gauge, focusing on the influe…
The infrared-safe Minkowskian Curci-Ferrari model
Santiago Oribe, Marcela Peláez, Urko Reinosa
We discuss the existence of Landau-pole-free renormalization group trajectories in the Minkowskian version of the Curci-Ferrari model as a function of a running parameter ass…
Unitarization of the one-loop graviton-graviton scattering amplitudes and study of the graviball
J. A. Oller, Marcela Peláez
From the graviton-graviton scattering amplitudes calculated perturbatively in quantum gravity to the one-loop order, we develop further a formalism that allows one to calculate inf…
Unitarization of electron scattering with an external potential at NLO in QED
J. A. Oller, Marcela Peláez
We have calculated the one-loop scattering amplitude of an electron by an external Coulomb potential in QED free of infrared divergences. This feature is achieved by applying the F…
Scenario for quark confinement from infrared safe Yang-Mills dynamics
Marcela Peláez, Urko Reinosa, Julien Serreau +2
We revisit the non-Abelian dipole problem in the context of a simple semiclassical approach that incorporates some essential features of the infrared sector of Yang-Mills theories…