Model-Independent Extraction of the N*(1535) Electrostrong Form Factor from Eta Electroproduction
M. Benmerrouche, Nimai C. Mukhopadhyay, J. -F. Zhang
Abstract
We analyze the existing data on electroproduction of eta mesons in the region of W~1.5GeV, and extract an electrostrong form factor for the N*(1535) electroexcitation and decay into the eta-N channel, which is found to be relatively insensitive to the uncertainties of the effective Lagrangian approach. this extracted quantity is of interest in the QCD description of relevant baryons.
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