Pi0 electroproduction in the Delta(1232) region at MAMI
classification
⚛️ nucl-ex
keywords
amplitudesasymmetrybackgroundbeamborn-controlcoulombdelta
read the original abstract
The extraction of the Coulomb quadrupole to magnetic dipole ratio from a p(e_pol,e'p_pol)pi^0 measurement is discussed. Preliminary results from further asymmetry measurements with polarized and unpolarized electron beam indicate that the imaginary background is well under control in the MAID2000 parameterization, but not the real (Born-) amplitudes.
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