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Gravitational form factors of the delta resonance in chiral EFT

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arxiv 2209.01233 v2 pith:3VD5VM22 submitted 2022-09-02 hep-ph hep-exhep-lat

H. Alharazin , E. Epelbaum , J. Gegelia , U.-G. Mei{ss}ner , B.-D. Sun This is my paper · ORCID
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The leading one-loop corrections to the gravitational form factors of the delta resonance are calculated in the framework of chiral effective field theory. Various contributions to the energy-momentum tensor and the renormalization of the low-energy constants are worked out. Using the small scale expansion, expressions for static quantities are obtained and the real and imaginary parts of the gravitational form factors are calculated numerically.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Reconstruction of Gravitational Form Factors using Generative Machine Learning

    hep-ph 2026-02 conditional novelty 6.0 of 10

    A diffusion model trained on synthetic physics-motivated curves reconstructs the proton's A(t), J(t), D(t) from sparse data, extracting c8=-4.6±0.8, c9=-0.61±0.19, and D(0)=-4.3±0.8.

  2. Gravitational form factors of the Higgs boson

    hep-ph 2025-08 conditional novelty 6.0 of 10

    The one-loop electroweak gravitational form factors of the Higgs give a finite theta2 and an energy radius r^2 approximately 1.44e-6 GeV^-2, with theta1 requiring an EFT counterterm.

  3. Gravitational form factors of the nucleon in the Skyrme model based on scale-invariant chiral perturbation theory

    hep-ph 2025-07 conditional novelty 5.0 of 10

    A Skyrme model with a dilaton field attributes the proton's negative internal pressure and confining force to the gluonic scale anomaly, and reproduces the lattice QCD D(t) form factor.

  4. Mechanical properties of the $\Omega^-$ baryon from gravitational form factors

    hep-ph 2025-07 conditional novelty 5.0 of 10

    Using QCD sum rules, the authors extract seven gravitational form factors of the Omega baryon and derive its internal energy, angular momentum, pressure, shear, radii, and D-terms.

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