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Gravitational form factors and mechanical properties of a quark at one loop in light-front Hamiltonian QCD

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arxiv 2112.06550 v1 pith:4NKERF6P submitted 2021-12-13 hep-ph

Gravitational form factors and mechanical properties of a quark at one loop in light-front Hamiltonian QCD

Jai More , Asmita Mukherjee , Sreeraj Nair , Sudeep Saha This is my paper
classification hep-ph
keywords light-frontfactorsformgravitationalhamiltonianloopmodelquark
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We calculate the gravitational form factors (GFFs) and pressure, shear and energy distributions for a quark state dressed with a gluon at one loop in QCD. We use the light-front Hamiltonian approach. In the light-front gauge, we use a two-component formalism to eliminate the constrained fields. The state may be thought of as a perturbative model for a relativistic spin $1/2$ composite system having a gluonic degree of freedom. We compare the results with model calculations for a nucleon.

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Cited by 3 Pith papers

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

  1. Transverse energy-momentum tensor distributions in polarized nucleons

    hep-ph 2026-04 unverdicted novelty 6.0

    The quantum phase-space formalism derives transverse energy-momentum tensor distributions in polarized nucleons and reproduces standard light-front distributions including bad components in the infinite-momentum frame.

  2. Gravitational transverse momentum distribution of proton

    hep-ph 2026-04 unverdicted novelty 6.0

    Analytical expressions for quark gravitational TMDs are derived in the LFQDM, verified against standard TMD relations, and linked to transverse pressure and shear-force distributions.

  3. Transverse energy-momentum tensor distributions in polarized nucleons

    hep-ph 2026-04 accept novelty 4.5

    Transverse EMT distributions in polarized nucleons are derived in the quantum phase-space formalism; they reduce to standard light-front densities (including bad components) in the infinite-momentum frame.