New mechanism for intermediate- and short-range nucleon-nucleon interaction

For the intermediate- and short-range part of the nucleon-nucleon interacti on a new approach is suggested based on the formation of a symmetric six-qu ark bag in the state \(0s)(6)[6]x, L = 0] dressed due to strong coupling to pi, sigma and rho fields (dressed bag). This new mechanism offers both a s trong intermediate-range attraction which replaces the effective sigma -exc hange (or excitation of two isobars in the intermediate state) in tradition al force models and also short-range repulsion. Part of the intermediate an d the full long-range contribution to the nucleon-nucleon force is also in this approach described by the Yukawa meson-exchange mechanism. A simple il lustrative model is developed which demonstrates clearly how well the sugge sted new mechanism can reproduce the NN data.