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Languages : en
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Book Description
In this study, the transition helicity amplitudes from the proton ground state to the N(1440)1/2+, N(1520)3/2-, and [Delta](1620)1/2- resonances ([gamma]vpN* electrocouplings) were determined from the analysis of nine independent onefold differential [pi]+[pi]-p electroproduction cross sections off a proton target, taken with CLAS at photon virtualities 0.5GeV2