Production of negative parity baryons in the holographic Sakai-Sugimoto model

Abstract

We extend our investigation of resonance production in the Sakai-Sugimoto model to the case of negative parity baryon resonances. Using holographic techniques we extract the generalized Dirac and Pauli baryon form factors as well as the helicity amplitudes for these baryonic states. Identifying the first negative parity resonance with the experimentally observed S_{11}(1535), we find reasonable agreement with experimental data from the JLab-CLAS collaboration. We also estimate the contribution of negative parity baryons to the proton structure functions.

arXiv comment1+30 pages, 8 figures. v3: typos corrected, references added, section 2 and 3 shortened, improved discussion of helicity amplitudes and comparison with experimental results

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Cited by in corpus (7)

• Light-Front Holographic QCD and Emerging Confinement
• Studies of Nucleon Resonance Structure in Exclusive Meson Electroproduction
• Electromagnetic Transition Form Factors of Baryon Resonances
• Valence quark contributions for the ${\gamma }^{\ast }N\to N(1440)$ form factors from Light-Front holography
• Covariant model for the Dalitz decay of the $N(1535)$ resonance
• Generalized baryon form factors and proton structure functions in the Sakai-Sugimoto model
• Low-$Q^2$ empirical parametrizations of the $N^{\ast }$ helicity amplitudes