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تسجيل مستخدم جديدPhenomenological analysis of the CLAS data on double charged pion photo and electro- production
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First comprehensive data on the evolution of nucleon resonance photocouplings with photon virtuality Q^2 are presented for excited proton states in the mass range from 1.4 to 2.0 GeV. N^* photocouplings were determined in phenomenological analysis of CLAS data on 2 pi photo and electroproduction within the framework of the JLAB-MSU phenomenological model.
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Recent developments in phenomenological analysis of the CLAS data on 2$pi$ electroproduction are presented. The contributions from isobar channels and $P_{11}(1440)$, $D_{13}(1520)$ electrocouplings at $Q^{2}$ from 0.25 to 0.6 GeV$^2$ were determined
from the analysis of comprehensive data on differential and fully integrated 2$pi$ cross sections. Experiment Numbers: E94-005 Group: Hall B
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