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A first estimate of triply heavy baryon masses from the pNRQCD perturbative static potential
Felipe J. Llanes-Estrada, Olga I. Pavlova, Richard Williams
Within pNRQCD we compute the masses of spin-averaged triply heavy baryons using the now-available NNLO pNRQCD potentials and three-body variational approach. We focus in particular…
Cubic neutrons
Felipe J. Llanes-Estrada, Gaspar Moreno Navarro
The neutron is largely spherical and incompressible in atomic nuclei. These two properties are however challenged in the extreme pressure environment of a neutron star. Our variati…
The existence of a two-solar mass neutron star constrains the gravitational constant G_N at strong field
Antonio Dobado, Felipe J. Llanes-Estrada, Jose Antonio Oller
In General Relativity there is a maximum mass allowed for neutron stars that, if exceeded, entails their collapse into a black hole. Its precise value depends on details of the nuc…
To what extent is Gluon Confinement an empirical fact?
Rafael L. Delgado, Carlos Hidalgo-Duque, Felipe J. Llanes-Estrada
Experimental verifications of Confinement in hadron physics have established the absence of charges with a fraction of the electron's charge by studying the energy deposited in ion…
When hadrons become unstable: a novel type of non-analyticity in chiral extrapolations
F. -K. Guo, C. Hanhart, F. J. Llanes-Estrada +1
Hadron masses show a specific dependence on the quark masses. Therefore, the variation of these masses can cause a resonance in a hadronic scattering amplitude to become a bound st…
Charm diffusion in a pion gas implementing unitarity, chiral and heavy quark symmetries
Luciano Abreu, Daniel Cabrera, Felipe J. Llanes-Estrada +1
We compute the charm drag and diffusion coefficients in a hot pion gas, such as is formed in a Heavy Ion Collision after the system cools sufficiently to transit into the hadron ph…