Photo- and Electroproduction of Eta Mesons
Abstract
Eta photo- and electroproduction off the nucleon is investigated in an effective lagrangian approach that contains Born terms and both vector meson and nucleon resonance contributions. In particular, we review and develop the formalism for coincidence experiments with polarization degrees of freedom. The different response functions appearing in single and double polarization experiments have been studied. We will present calculations for structure functions and kinematical conditions that are most sensitive to details of the lagrangian, in particular with regard to contributions of nucleon resonances beyond the dominant (1535) resonance.
Keywords
Cite
@article{arxiv.nucl-th/9506029,
title = {Photo- and Electroproduction of Eta Mesons},
author = {G. Knöchlein and D. Drechsel and L. Tiator},
journal= {arXiv preprint arXiv:nucl-th/9506029},
year = {2008}
}
Comments
24 pages RevTeX/LaTeX2.09, NFSS1, 13 figures (in separate file (tar,gzip and uue)), accepted for publication in Z. Phys. A