A dressed bag model study of the final-state $NΔ$ interaction in photoproduction processes off the deuteron

Details A dressed bag model study of the final-state $NΔ$ interaction in photoproduction processes off the deuteron A dressed bag model study of the final-state $NΔ$ interaction in photoproduction processes off the deuteron

2002-12-31

arxiv.org/abs/nucl-th/0212110v1

J.Phys.G29:2207-2226,2003

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1088/0954-3899/29/9/315

The impact of the short-range $N\Delta$ interaction on the pion photoproduction processes off the deuteron in the $\Delta$-resonance region is studied in the framework of recently proposed dressed-bag model. A common dressing procedure for bare three- and six-quark states is used to describe both the pion decay widths of baryon resonances and the effective $NN$ (or $N\Delta$) interaction at short ranges related to the inner dressed-bag states. It is shown that the effect of short-range $N\Delta$ interaction for the forward-angle $\pi^\mathrm{o}$ photoproduction off the deuteron cannot be neglected. The prospects for further development of the model to describe the short-range $NN$ (or $N\Delta$) correlations in the lightest nuclei are discussed.

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