Test of OPE and OGE through mixing angles of negative parity N* resonances in electromagnetic transitions
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anglesdataelectromagneticmixingmodelresonancesamplitudescalculate
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In this report, by using the mixing angles of one-gluon-exchange model(OGE) and one-pion-exchange model(OPE), and by using the electromagnetic Hamiltonian of Close and Li, we calculate the amplitudes of L=1 N* resonances for photoproduction and electroproduction. The results are compared to experimental data. It's found that the data support OGE, not OPE.
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