[HTML][HTML] Fluctuations and Correlations of Conserved Charges Serving as Signals for QGP Production: An Overview from Polyakov Loop Enhanced Nambu–Jona …

S Upadhaya - Universe, 2024 - mdpi.com
Quark–Gluon plasma driven by the strong force is subject to the conservativeness of the
baryon number, net electric charge, strangeness, etc. However, the fluctuations around their …

Robust features of a QCD phase diagram through a contact interaction model for quarks: a view from the effective potential

A Ahmad, M Azhar, A Raya - The European Physical Journal A, 2023 - Springer
Our research delves into the quantum chromodynamics (QCD) phase diagram in the
temperature T and quark chemical potential μ plane. We use a unique confining contact …

Contact interaction model for the and mesons in a Schwinger-Dyson-Bethe-Salpeter approach to QCD: Masses, decay widths, and transition form factors

BA Zamora, EC Martínez, J Segovia… - Physical Review D, 2023 - APS
We construct a contact interaction model for the η and η′ mesons in the SDE-BSE
approach to QCD and compute several static properties of these mesons and their transition …

Gravitational form factors of pseudoscalar mesons in a contact interaction

MA Sultan, Z Xing, K Raya, A Bashir, L Chang - Physical Review D, 2024 - APS
Given the unique role played by the gravitational form factors (GFFs) in unraveling the
internal mechanics of hadrons, we examine the GFFs of ground state pseudoscalar mesons …

Chiral Symmetry Restoration and Deconfinement in the Contact Interaction Model of Quarks with a Parallel Electric and Magnetic Fields

A Ahmad - arXiv preprint arXiv:2009.09482, 2020 - arxiv.org
We study the impact of steady, homogeneous, and external parallel electric and magnetic
field strength ($ eE\parallel eB $), on the chiral symmetry breaking-restoration and …

Color-flavor dependence of the Nambu-Jona-Lasinio model and QCD phase diagram

A Ahmad, A Murad - Chinese Physics C, 2022 - iopscience.iop.org
We study the dynamical chiral symmetry breaking/restoration for various numbers of light
quarks flavors $ N_f $ and colors $ N_c $ using the Nambu-Jona-Lasinio (NJL) model of …

Schwinger Pair Production in QCD from Flavor-Dependent Contact Interaction Model of Quarks

A Ahmad, A Farooq - Brazilian Journal of Physics, 2024 - Springer
We study the Schwinger mechanism in QCD, which refers to the production of quark-
antiquark pairs in the presence of a pure electric field strength eE, for a higher number of …

Probing quarkonium gravitational form factors using contact interaction

MA Sultan, Z Xing, K Raya, A Bashir… - arXiv preprint arXiv …, 2024 - arxiv.org
Given the unique role of gravitational form factors in unveiling the internal mechanics of
hadrons, we examine the gravitational form factors (GFFs) of quarkonium systems within the …

- and -meson properties for large and

A Ahmad, M Khan - arXiv preprint arXiv:2401.11186, 2024 - arxiv.org
Dynamical chiral symmetry restoration for higher number of light quark flavors $ N_f $ and
breaking for higher number of colors $ N_c $ implies the suppression and enhancement of …

Contact interaction treatment of for light-quark mesons

Y Xu, MA Sultan, K Raya, L Chang - arXiv preprint arXiv:2409.04996, 2024 - arxiv.org
The $\mathcal {V}\to\mathcal {P}\gamma $ and $\eta (\eta^\prime)\to\gamma\gamma $
decays are evaluated within a Dyson-Schwinger and Bethe-Salpeter equations framework …