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A Pattern for the Flavor Dependence of the Quark-Gluon Interaction

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arxiv 1903.07808 v3 pith:Q6FATV4T submitted 2019-03-19 nucl-th hep-ph

Muyang Chen , Lei Chang This is my paper · ORCID
classification nucl-thhep-ph
keywords flavorinteractiondependentinfraredmodelpartquark-antiquarkapproach
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A flavor dependent kernel is constructed based on the rainbow-ladder truncation of the Dyson-Schwinger and Bethe-Salpeter equation approach of Quantum Chromodynamics. The quark-antiquark interaction is composed of a flavor dependent infrared part and a flavor independent ultraviolet part. Our model gives a successful and unified description of the light, heavy and heavy-light ground pseudoscalar and vector mesons. For the first time, our model shows that the infrared enhanced quark-antiquark interaction is stronger and wider for the lighter quark.

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Cited by 1 Pith paper

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  1. Imaging the charge distributions of flavor-symmetric and -asymmetric mesons

    hep-ph 2025-06 conditional novelty 5.0 of 10

    Using a maximum-entropy inversion of DSE/BSE form factors, the authors map meson charge profiles and find quark-antiquark distances that shrink with quark mass and grow by 5-15% for spin-aligned mesons.

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