Exciting pions in nuclei: DCX and Electroproduction in the resonance region

Details Exciting pions in nuclei: DCX and Electroproduction in the resonance region Exciting pions in nuclei: DCX and Electroproduction in the resonance region

2007-03-20

arxiv.org/abs/nucl-th/0703060v1

Ricerca scientifica ed Educazione Permanente, Supplemento N. 127, 2007

Physics

Nuclear Physics

Nuclear Theory

10 Pages, 10 figures, to appear in the proceedings of 45th International Winter Meeting on Nuclear Physics (Bormio 2007), Borm

Scientific paper

We describe the double charge exchange (DCX) reaction of pions with different nuclear targets at incident kinetic energies of 120-180 MeV within the GiBUU transport framework. The DCX process is highly sensitive to details of the interactions of pions with the nuclear medium and, therefore, represents a major benchmark for any model of pion scattering off nuclei at low and intermediate energies. We achieve a good quantitative agreement with the extensive data set obtained at LAMPF. Furthermore, we present first results on electron scattering off nuclei for beam energies of 700-1500 MeV and virtualities of Q^2<700 MeV^2. Including quasi-elastic and pion- production processes and employing in-medium kinematics and realistic form factors, we evaluate inclusive cross sections and compare to data obtained at the ADONE storage ring (Frascati).

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