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Gravitational form factors of glueballs in Yang-Mills theory

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arxiv 2410.02706 v2 pith:J5LKEXX2 submitted 2024-10-03 hep-lat hep-phnucl-th

Ryan Abbott , Daniel C. Hackett , Dimitra A. Pefkou , Fernando Romero-López , Phiala Shanahan This is my paper · ORCID
classification hep-lathep-phnucl-th
keywords factorsformfunctionsgffsglueballgravitationallatticetheory
verification ladder T0 review T1 audit T2 compute T3 formal
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This work presents preliminary results of the first determination of the energy-momentum tensor form factors of the scalar glueball, referred to as gravitational form factors (GFFs). The calculation has been carried out in lattice Yang-Mills theory at a single lattice spacing. Using variationally optimized operators, the matrix elements are extracted from ratios of three-point functions to two-point functions. The glueball GFFs and their kinematic dependence are compared to those of other hadrons from previous calculations.

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Cited by 2 Pith papers

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

  1. Lattice evidence that scalar glueballs are small

    hep-lat 2025-08 conditional novelty 8.0 of 10

    First lattice extraction of scalar glueball gravitational form factors gives a mass radius of 0.263(31) fm, smaller than typical hadrons.

  2. Update on Glueballs

    hep-lat 2025-02 unverdicted novelty 2.0 of 10

    A lattice QCD review concludes that, based on exploratory calculations, no scalar hadron below roughly 2 GeV appears to be predominantly a glueball.

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