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arxiv: 1212.6252 · v4 · pith:DIXODPP7new · submitted 2012-12-26 · ✦ hep-ph

Nucleon resonances in AdS/QCD

classification ✦ hep-ph
keywords resonancecomponentelectroproductionnucleonresultsroperadditionagreement
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We describe the electroproduction of the N(1440) Roper resonance in soft-wall AdS/QCD. The Roper resonance is identified as the first radially excited state of the nucleon, where higher-Fock states in addition to the three-quark component are included. The main conclusion is that the leading 3q component plays the dominant role in the description of electroproduction properties of this resonance: form factors, helicity amplitudes and charge densities. The obtained results are in good agreement with the recent results of the CLAS Collaboration at JLab.

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