Gravitational Form Factors of Vector Mesons in an AdS/QCD Model

Details Gravitational Form Factors of Vector Mesons in an AdS/QCD Model Gravitational Form Factors of Vector Mesons in an AdS/QCD Model

2008-01-24

arxiv.org/abs/0801.3839v2

Phys.Rev.D77:095007,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, three typos corrected in v2

Scientific paper

10.1103/PhysRevD.77.095007

We calculate gravitational form factors of vector mesons using a holographic model of QCD. These provide restrictions on the generalized parton distributions of vector mesons, via the sum rules connecting stress tensor form factors to GPDs. We concentrate on the traceless part of the stress tensor, which suffices to fix the momentum and angular momentum sum rules. The vector mesons appear noticeably more compact measured by the gravitational form factors than by the charge form factor.

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