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Quark and gluon distributions in $\rho$-meson from basis light-front quantization
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abstract
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.
Forward citations
Cited by 2 Pith papers
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Exclusive $J/\psi$ photoproduction in photon-proton diffractive scattering: A light-front Hamiltonian approach
BLFQ proton and J/ψ light-front wave functions yield a slightly lower exclusive J/ψ photoproduction cross section than prior models, with matching exponential slope B≈3 GeV^{-2}, usable as BK initial conditions.
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Strange mesons with one dynamical gluon: A light-front approach
A basis light-front QCD model with one dynamical gluon reproduces strange meson spectra and yields kaon form factors, PDFs, and Drell-Yan cross sections testable at COMPASS++/AMBER.
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