Download or read book Theory of Mesonic and Dibaryonic Excitations In. Pi. NN Systems written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress made in developing a .pi. NN model for describing all NN and .pi.d reactions up to intermediate energy regions is reported. An accurate .pi. NN model is the starting point of developing a microscopic description of nuclear phenomena up to the energy region where pion production can occur. The model can be used to carry out many-nucleon calculations, such as the calculations of pion absorption and electroproduction of .delta. on nuclei. It reduces to existing nuclear theory in the low energy region. 5 refs., 6 figs.