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arxiv: 0904.3731 · v1 · submitted 2009-04-23 · ✦ hep-ph

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Spin 3/2 Baryons and Form Factors in AdS/QCD

Hyo Chul Ahn , Deog Ki Hong , Cheonsoo Park , Sanjay Siwach
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classification ✦ hep-ph
keywords couplingsbaryonsdeltaspinvaluesfactorsformmeson-baryon
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We study the 5D Rarita-Schwinger fields to describe spin 3/2 baryons in AdS/QCD. We calculate the spectrum of spin 3/2 baryons (Delta resonances) and their form factors, together with meson-baryon couplings from AdS/QCD. The transition form-factors between Delta and nucleon are evaluated. Both pion and rho meson couplings have the same origin in the bulk and hence unified. The numerical values for the meson-baryon transition couplings are consistent with the values obtained from other methods. We also predict the numerical values of some new couplings associated with Delta resonances.

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  1. Holographic information measures for spin-$3/2$ $\Delta$ baryons in AdS/QCD

    hep-th 2026-02 unverdicted novelty 4.0

    Holographic AdS/QCD calculations of configurational entropy and complexity for Delta baryons yield Regge trajectories that organize known masses and predict additional resonances.