Test of OPE and OGE through mixing angles of negative parity N* resonances in electromagnetic transitions

Details Test of OPE and OGE through mixing angles of negative parity N* resonances in electromagnetic transitions Test of OPE and OGE through mixing angles of negative parity N* resonances in electromagnetic transitions

2003-05-22

arxiv.org/abs/nucl-th/0305067v1

Phys.Rev.D68:017502,2003

Physics

Nuclear Physics

Nuclear Theory

5 pages, Latex, 1 figure, accepted by Phys.Rev.D

Scientific paper

10.1103/PhysRevD.68.017502

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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