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117 papers · 1 filter
Effects of equilibrium coexisting phases in the first-order chiral transition within the Linear sigma model with quarks
R. M. Aguirre
The first order chiral phase transition for quark matter with flavor imbalance is studied using the Linear sigma model with quarks, also known as Quark-meson model. Special attenti…
Timelike electromagnetic form factors of hyperons at large
G. Ramalho, M. T. Peña, K. Tsushima +1
In the last few years there has been considerable progress in the study of the electromagnetic form factors of baryons in the timelike region, through electron-positron scattering,…
Solving the QCD effective kinetic theory with neural networks
Sergio Barrera Cabodevila, Aleksi Kurkela, Florian Lindenbauer
Event-by-event QCD kinetic theory simulations are hindered by the large numerical cost of evaluating the high-dimensional collision integral in the Boltzmann equation. In this work…
Inferring correlated distributions: boosted top jets
Ezequiel Alvarez, Manuel Szewc, Alejandro Szynkman +2
Improving the understanding of signal and background distributions in signal-region is a valuable key to enhance any analysis in collider physics. This is usually a difficult task…
Quantum Information meets High-Energy Physics: Input to the update of the European Strategy for Particle Physics
Yoav Afik, Federica Fabbri, Matthew Low +68
Some of the most astonishing and prominent properties of Quantum Mechanics, such as entanglement and Bell nonlocality, have only been studied extensively in dedicated low-energy la…
Introdução à inferência Bayesiana: técnicas estatísticas para análise de dados de íons pesados relativísticos
Liner Santos, Thiago Domingues
Under extreme conditions of temperature and pressure, it is believed that quarks and gluons (particles that mediate the interaction between quarks) can be "free" in a given volume.…
Pseudoscalar mesons from a PNJL model at zero temperature
R. M. Aguirre, O. Lourenço
We study pseudoscalar , and meson properties, such as masses and couplings, in dense matter at zero temperature. We use a recently proposed phenomenological quark model,…
Effects of the anomalous magnetic moments of the quarks on the neutral pion properties within a SU(2) Nambu-Jona Lasinio model
R. M. Aguirre
The properties of the neutral pion in quark matter under the influence of an external magnetic field are studied. The effects of the anomalous magnetic moments (AMM) of the quarks…
Masses of magnetized pseudoscalar and vector mesons in an extended NJL model: the role of axial vector mesons
Máximo Coppola, Daniel Gomez Dumm, Santiago Noguera +1
We study the mass spectrum of light pseudoscalar and vector mesons in the presence of an external uniform magnetic field , considering the effects of the mixing with the ax…
Sensitivity prospects for lepton-trijet signals in the SMEFT at the LHeC
Gabriel Zapata, Tomás Urruzola, Oscar A. Sampayo +1
The observation of neutrino oscillations and masses motivates the extension of the standard model with right handed neutrinos, leading to heavy neutrino states possibly in the elec…
Ultra-peripheral collisions of charged hadrons in extensive air showers
Manuel Masip, Ivan Rosario, Sergio J. Sciutto
We discuss the electromagnetic collisions of high energy protons, pions and kaons with atmospheric nuclei. In particular, we use the equivalent photon approximation to estimate (i)…
Disentangling the Seesaw in the Left-Right Model -- An Algorithm for the General Case
Joshua Kiers, Ken Kiers, Alejandro Szynkman +1
Senjanovic and Tello have analyzed how one could determine the neutrino Dirac mass matrix in the minimal left-right model, assuming that the mass matrices for the light and heavy n…
Quark matter phase diagram under the influence of strong magnetic fields with a nonlocal chiral model
J. P. Carlomagno, S. A. Ferraris, D. Gómez Dumm +1
We study the phase diagram in the plane for quark matter under the influence of a strong uniform magnetic field , in the framework of a non-local extension of the tw…
Neutrino-induced single pion production and the reanalyzed bubble chamber data
D. F. Tamayo Agudelo, A. Mariano, D. E. Jaramillo Arango
In this work we report the calculation of the charged current total and differential cross sections for weak pion-production with neutrinos and antineutrinos, with the final pion-n…
Scope and limitations of a string theory dual description of the proton structure
David Jorrin, Martin Schvellinger
Symmetric and antisymmetric structure functions from electromagnetic deep inelastic scattering of charged leptons off spin-1/2 hadrons are investigated in the framework of a top-do…
Theoretical results for hadronic masses and their widths in the framework of the SO(4) model
Tochtli Yepez Martinez, Osvaldo Civitarese, Peter Hess +2
The prediction of properties of the low energy portion of the hadronic spectrum is a challenging task which, up to day, is still tentatively given due to the non-perturbative natur…
An explanation of the muon puzzle of ultrahigh-energy cosmic rays and the role of the Forward Physics Facility for model improvement
Luis A. Anchordoqui, Carlos Garcia Canal, Felix Kling +2
We investigate the observed muon deficit in air shower simulations when compared to ultrahigh-energy cosmic ray (UHECR) data. Based upon the observed enhancement of strangeness pro…
Isospin asymmetric matter in a nonlocal chiral quark model
J. P. Carlomagno, D. Gomez Dumm, N. N. Scoccola
We analyze the features of strongly interacting matter in the presence of nonzero isospin chemical potential , within a nonlocal two-flavor Polyakov-Nambu-Jona-Lasinio (PNJL)…
Cold magnetized quark matter at finite density in a nonlocal chiral quark model
S. A. Ferraris, D. Gomez Dumm, A. G. Grunfeld +1
We study the behavior of two-flavor dense quark matter under the influence of an external magnetic field in the framework of a nonlocal chiral quark model with separable interactio…
Strong-interaction matter under extreme conditions from chiral quark models with nonlocal separable interactions
D. Gomez Dumm, J. P. Carlomagno, N. N. Scoccola
We review the current status of the research on effective nonlocal NJL-like chiral quark models with separable interactions, focusing on the application of this approach to the des…
Diquark and nucleons under strong magnetic fields in the NJL model
M. Coppola, D. Gomez Dumm, N. N. Scoccola
We study the description of nucleons and diquarks in the presence of a uniform strong magnetic field within the framework of the two-flavor Nambu-Jona--Lasinio (NJL) model. Diquark…
Regularization of the Nambu-Jona Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
R. M. Aguirre
The vacuum contribution to quark matter under a uniform magnetic field within the SU(3) version of the Nambu and Jona-Lasinio model is studied. The standard regularization procedur…
Weak decays of magnetized charged pions in the symmetric gauge
M. Coppola, D. Gomez Dumm, S. Noguera +1
We consider the decay () in the presence of an arbitrary large uniform magnetic field, using the symmetric gauge. The consequences of the axial…
Magnetic field driven enhancement of the weak decay width of charged pions
M. Coppola, D. Gomez Dumm, S. Noguera +1
We study the effect of a uniform magnetic field on the decays , where , carrying out a general analysis that includes four deca…