Coulomb gauge approach to scalar hadrons
Stephen R. Cotanch, Ignacio J. General, Ping Wang, Felipe J., Llanes-Estrada
TL;DR
This paper applies the Coulomb gauge model with an effective QCD Hamiltonian to predict masses and mixing of scalar mesons and tetra-quark states below 2 GeV, offering insights into their spectrum.
Contribution
It introduces a Coulomb gauge approach to calculate scalar hadron masses and mixing, providing new theoretical predictions for both mesons and tetra-quark states.
Findings
Mass predictions for scalar mesons and tetra-quarks below 2 GeV.
Computed mixing matrix elements between different scalar states.
Achieved a reasonable description of the scalar spectrum.
Abstract
The Coulomb gauge model, involving an effective QCD Hamiltonian in the Coulomb gauge, is applied to scalar hadrons. Mass predictions are presented for both conventional q-qbar meson and q-qbar-q-qbar tetra-quark states. Mixing matrix elements between these states were also computed and diagonalized to provide a reasonable description of the scalar spectrum below 2 GeV.
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