Gravitational form factors of the 
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 baryon via QCD sum rules

Dehghan, Z.; Azizi, K.; Özdem, U.

doi:10.1103/physrevd.108.094037

Phys. Rev. D

2023

DOI: 10.1103/physrevd.108.094037

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Gravitational form factors of the Δ baryon via QCD sum rules

Z. Dehghan,

K. Azizi,

U. Özdem

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2024

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Cited by 2 publications

References 68 publications

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Gravitational form factors of charmonia

Xu,

Cao,

et al. 2024

Phys. Rev. D

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We investigate the gravitational form factors of charmonium. Our method is based on a Hamiltonian formalism on the light front known as basis light-front quantization. The charmonium mass spectrum and light-front wave functions were obtained from diagonalizing an effective Hamiltonian that incorporates confinement from holographic QCD and one-gluon exchange interaction from light-front QCD. We proposed a quantum many-body approach to construct the hadronic matrix elements of the energy momentum tensor T++ and T+−, which are used to extract the gravitational form factors A(Q2) and D(Q2). The obtained form factors satisfy the known constraints, e.g., the von Laue condition. From these quantities, we also extract the energy, pressure and light-front energy distributions of the system. We find that hadrons are multilayer systems. Published by the American Physical Society 2024

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Gravitational form factors of charmonia

Xu,

Cao,

et al. 2024

Phys. Rev. D

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Form factors of decuplet baryons in a covariant quark–diquark approach

Wang,

Fu,

Dong

2024

Eur. Phys. J. C

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The electromagnetic and gravitational form factors of decuplet baryons are systematically studied with a covariant quark–diquark approach. The model parameters are firstly discussed and determined through comparison with the lattice calculation results integrally. Then, the electromagnetic properties of the systems including electromagnetic radii, magnetic moments, and electric-quadrupole moments are calculated. The obtained results are in agreement with experimental measurements and the results of other models. Finally, the gravitational form factors and the mechanical properties of the decuplet baryons, such as mass radii, energy densities, and spin distributions, are also calculated and discussed.

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Gravitational form factors of the Δ baryon via QCD sum rules

Cited by 2 publications

References 68 publications

Gravitational form factors of charmonia

Gravitational form factors of charmonia

Form factors of decuplet baryons in a covariant quark–diquark approach

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