Role of Deuteron NN^* -components in proceses pd - dp and pd- dN^*

Details Role of Deuteron NN^* -components in proceses pd - dp and pd- dN^* Role of Deuteron NN^* -components in proceses pd - dp and pd- dN^*

1998-04-22

arxiv.org/abs/nucl-th/9804048v1

Phys. At. Nucl. 60 (1997) 1458-1469; 1616-1624

Physics

Nuclear Physics

Nuclear Theory

10 pages, 3 Postscript figures, expanded version is published in two papers in Yad. Fiz. 60 (1997) 1603; 1771

Scientific paper

The contribution of nucleon isobar $N^*$ exchanges to backward elastic pd-scattering is calculated on the basis of deuteron 6q-model and found to be negligible in comparison with the neutron exchange. It is shown that the pole amplitude of neutron pickup from the deuteron $nN^*$-component is favoured in the reaction $pd\to dN^*$ for backward going $N^*(1440)$ and $N^*(1710)$ at kinetic energy of incident proton of 1.5--2 GeV whereas the triangular diagram with subprocess $pp\to d\pi^+$ related to the usual $pn-$component of deuteron is considerable suppressed.

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