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Gluon matter distribution in the proton and pion from extended holographic light-front QCD
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The holographic light-front QCD framework provides a unified nonperturbative description of the hadron mass spectrum, form factors and quark distributions. In this article we extend holographic QCD in order to describe the gluonic distribution in both the proton and pion from the coupling of the metric fluctuations induced by the spin-two Pomeron with the energy momentum tensor in anti--de Sitter space, together with constraints imposed by the Veneziano model{\color{blue},} without additional free parameters. The gluonic and quark distributions are shown to have significantly different effective QCD scales.
Forward citations
Cited by 2 Pith papers
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Asymptotic gauge symmetry and UV extension of the nonperturbative coupling in holographic QCD
A holographic effective strong coupling with momentum-dependent confinement strength and ultraviolet boundary conditions reproduces alpha_s data at all scales and gives alpha_s(MZ) = 0.1161 +/- 0.0017.
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Gluon skewed generalized parton distributions of proton from a light-front Hamiltonian approach
Using light-front wave functions with one dynamical gluon, the authors obtain all leading-twist gluon GPDs of the proton at nonzero skewness and find diffraction-like patterns in longitudinal position space.
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