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

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

1998-08-07

arxiv.org/abs/nucl-th/9808016v1

Phys.Rev. C60 (1999) 055202

Physics

Nuclear Physics

Nuclear Theory

24 pages, 5 figures

Scientific paper

10.1103/PhysRevC.60.055202

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 $d(e,e'S_{11})N$ at $Q^2\ge 1 GeV^2$ 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.

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