70 citations · 445 across the 23 of their papers we have counts for
23 papers
Collision energy dependence of the critical end point from baryon number fluctuations in the Linear Sigma Model with quarks
Alejandro Ayala, Bilgai Almeida Zamora, J. J. Cobos-Martínez +4
We show that the Linear Sigma Model with quarks produces an effective description of the QCD phase diagram and of the system's equilibrium distribution properties that deviate from…
Gluon polarization tensor and dispersion relation in a weakly magnetized medium
Alejandro Ayala, Jorge David Castaño-Yepes, L. A. Hernández +2
We study the polarization and dispersion properties of gluons moving within a weakly magnetized background at one-loop order. To this end, we show two alternative derivations of th…
Quark spin - thermal vorticity alignment and the Lambda, anti-Lambda polarization in heavy-ion collisions
Alejandro Ayala, David de la Cruz, L. A. Hernández +2
It has been proposed that the and polarizations observed in heavy-ion collisions are due to the interaction between quark spin and thermal vorticity. In this work…
Relaxation time for the alignment between the spin of a finite-mass quark/antiquark and the thermal vorticity in relativistic heavy-ion collisions
Alejandro Ayala, David de la Cruz, L. A. Hernández +1
We study the relaxation time required for the alignment between the spin of a finite-mass quark/antiquark and the thermal vorticity, at finite temperature and baryon chemical poten…
Relaxation time for quark spin and thermal vorticity alignment in heavy-ion collisions
Alejandro Ayala, David de la Cruz, S. Hernández-Ortíz +2
We compute the relaxation time for quark/antiquark spin and thermal vorticity alignment in a quark-gluon plasma at finite temperature and quark chemical potential. We model the int…
On the critical end point in a two-flavor linear sigma model coupled to quarks
Alejandro Ayala, Luis A. Hernandez, Marcelo Loewe +2
We use the linear sigma model coupled to quarks to explore the location of the phase transition lines in the QCD phase diagram from the point of view of chiral symmetry restoration…
Thermal corrections to the gluon magnetic Debye mass
Alejandro Ayala, Jorge David Castaño-Yepes, C. A. Dominguez +5
We compute the gluon polarization tensor in a thermo-magnetic environment in the strong magnetic field limit at zero and high temperature. The magnetic field effects are introduced…
Thermomagnetic correlation lengths of strongly interacting matter in the Nambu--Jona-Lasinio model
Alejandro Ayala, L. A. Hernandez, M. Loewe +3
We study the correlation length between test quarks with the same electric and color charges in the Nambu--Jona-Lasinio model, considering thermal and magnetic effects. We extract…
Prompt photon yield and elliptic flow from gluon fusion induced by magnetic fields in relativistic heavy-ion collisions
Alejandro Ayala, Jorge David Castano-Yepes, C. A. Dominguez +3
We compute photon production at early times in semi-central relativistic heavy-ion collisions from non-equilibrium gluon fusion induced by a magnetic field. The calculation account…
Electromagnetic proton form factors in dual large- QCD: an update
B. Bisschoff, C. A. Dominguez, L. A. Hernandez
An updated determination is presented of the electric and magnetic form factors of the proton, in the framework of a dual-model realization of QCD in the limit of an infinite numbe…
Tests of quark-hadron duality in tau-decays
C. A. Dominguez, L. A. Hernandez, K. Schilcher +1
An exhaustive number of QCD finite energy sum rules for -decay together with the latest updated ALEPH data is used to test the assumption of global duality. Typical checks are t…
Quark-hadron duality: pinched kernel approch
C. A. Dominguez, L. A. Hernandez, K. Schilcher +1
Hadronic spectral functions measured by the ALEPH collaboration in the vector and axial-vector channels are used to study potential quark-hadron duality violations (DV). This is do…
Determination of the temperature dependence of the up- down-quark mass in QCD
C. A. Dominguez, L. A. Hernandez
The temperature dependence of the sum of the QCD up- and down-quark masses, and the pion decay constant, , are determined from two thermal finite energy QCD sum…
Thermal photon production from gluon fusion induced by magnetic fields in relativistic heavy-ion collisions
Alejandro Ayala, Jorge David Castano-Yepes, C. A. Dominguez +1
We compute the production of thermal photons in relativistic heavy-ion collisions by gluon fusion in the presence of an intense magnetic field, and during the early stages of the r…
Thermo-magnetic properties of the strong coupling in the local Nambu--Jona-Lasinio model
Alejandro Ayala, C. A. Dominguez, L. A. Hernandez +4
We study the thermo-magnetic properties of the strong coupling constant G and quark mass M entering the Nambu-Jona-Lasinio model. For this purpose, we compute the quark condensate…
Tau-decay hadronic spectral functions: probing quark-hadron duality
C. A. Dominguez, L. A. Hernandez, K. Schilcher +1
The vector and axial-vector ALEPH hadronic spectral functions from -decay are used to probe potential quark-hadron duality violations (DV). This is done in the framework of fini…
Inverse magnetic catalysis from the properties of the QCD coupling in a magnetic field
Alejandro Ayala, C. A. Dominguez, L. A. Hernandez +2
We compute the vacuum one-loop quark-gluon vertex correction at zero temperature in the presence of a magnetic field. From the vertex function we extract the effective quark-gluon…
The magnetized effective QCD phase diagram
Alejandro Ayala, C. A. Dominguez, L. A. Hernandez +2
The QCD phase diagram in the temperature versus quark chemical potential plane is studied in the presence of a magnetic field, using the linear sigma model coupled to quarks. It is…
The (magnetized) effective QCD phase diagram
Alejandro Ayala
I present the highlights of a recent study of the effective QCD phase diagram on the temperature T and quark chemical potential mu plane, where the strong interactions are modeled…
Quark deconfinement and gluon condensate in a weak magnetic field
Alejandro Ayala, C. A. Dominguez, L. A. Hernandez +3
We study QCD finite energy sum rules (FESR) for the axial-vector current correlator in the presence of a magnetic field, in the weak field limit and at zero temperature. We find th…
Determination of the gluon condensate from data in the charm-quark region
C. A. Dominguez, L. A. Hernandez, K. Schilcher
The gluon condensate, , i.e. the leading order power correction in the operator product expansion of current correlators in QCD at short distances,…
Chiral sum rules and vacuum condensates from tau-lepton decay data
C. A. Dominguez, L. A. Hernandez, K. Schilcher +1
QCD finite energy sum rules, together with the latest updated ALEPH data on hadronic decays of the tau-lepton are used in order to determine the vacuum condensates of dimension $d=…
Dimuon production from in-medium rho decays from QCD sum rules
Alejandro Ayala, C. A. Dominguez, Luis Alberto Hernandez +2
We compute the dimuon-excess invariant mass distribution at the rho-meson peak in the context of relativistic heavy-ion collisions at SPS energies. The temperature, T, and chemical…