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Abstract: We discuss how to calculate form factors using a holographic model of QCD,mainly focusing on vector, axial, and pseudoscalar mesons. We illustrate thetechniques on gravitational form factors which are useful for constraining thegeneralized parton distributions as well as quoting the results forelectromagnetic form factors. One striking outcome, comparing the several typesof calculated form factors, is that mesons appear noticeably more compact whenmeasured by the gravitational form factors than when measured by the chargeform factor.

Autor: Carl E. Carlson William and Mary

Fuente: https://arxiv.org/

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