Hadronic properties of the S_{11}(1535) studied by electroproduction off the deuteron

Abstract

Properties of excited baryonic states are investigated in the context of electroproduction of baryon resonances off the deuteron. In particular, the hadronic radii and the compositeness of baryon resonances are studied for kinematic situations in which their hadronic reinteraction is the dominant contribution. Specifically, we study the reaction $d(e,e^{\prime }{S}_{11})N$ at $Q^2\ge 1Ge{V}^2$ for kinematics in which the produced hadronic state reinteracts predominantly with the spectator nucleon. A comparison of constituent quark model and effective chiral Lagrangian calculations of the $S_{11}$ shows substantial sensitivity to the structure of the produced resonance.

24 pages, 5 figures

References in corpus (3)

• Current correlation functions, QCD sum rules and vector mesons in baryonic matter
• J/Ψproduction, $\chi$ polarization and Color Fluctuations
• Coherent Photo- and Leptoproduction of Vector Mesons from Deuterium

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• Chiral dynamics with strange quarks: Mysteries and opportunities