Quark Delocalization, Color Screening Model and Nucleon-Baryon Scattering
Guang-han Wu, Jia-Lun Ping, Li-jian Teng, Fan Wang, T. Goldman
Abstract
We apply the quark delocalization and color screening model to nucleon-baryon scattering. A semi-quantitative fit to N-N, N-Lambda and N-Sigma phase shifts and scattering cross sections is obtained without invoking meson exchange. Quarks delocalize reasonably in all of the different flavor channels to induce effective nucleon-baryon interactions with both a repulsive core and with an intermediate range attraction in the cases expected.
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