Quark and gluon distributions in $\rho$-meson from basis light-front quantization

We solve for the $\rho$-meson's wave functions from a light-front QCD Hamiltonian determined for its constituent quark-antiquark and quark-antiquark-gluon Fock components, with a three-dimensional confinement using basis light-front quantization. From this, we obtain the leading-twist valence q...

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Bibliographic Details
Main Authors Kaur, Satvir, Wu, Jiatong, Hu, Zhi, Lan, Jiangshan, Mondal, Chandan, Zhao, Xingbo, Vary, James P
Format Journal Article
LanguageEnglish
Published 07.01.2024
Subjects
Physics - High Energy Physics - Phenomenology
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Summary:We solve for the $\rho$-meson's wave functions from a light-front QCD Hamiltonian determined for its constituent quark-antiquark and quark-antiquark-gluon Fock components, with a three-dimensional confinement using basis light-front quantization. From this, we obtain the leading-twist valence quark's parton distribution functions and transverse momentum-dependent parton distributions inside the $\rho$-meson. These results are qualitatively consistent with those of other models. We also demonstrate the important effects of a dynamical gluon on the $\rho$-meson's gluon densities, helicity, transversity, and tensor polarized distributions.
DOI:10.48550/arxiv.2401.03480