| Since Yukawa predicted the exixtence of pion theoretically in 1935,and it was tested by experiments in 1947,the pion has played a more and more important role in nuclear physics. With the Pion Exchange Model`s putting forward, the research of strong interaction reached its prime. In the model the pion was the media to transport the interaction between nucleons. With the model physicists have solved a great deal of problems about strong interaction, but retretfully the model has mot become the fundamental theory in the research of the strong interaction. Following that, many models were put forth to interpret the interaction between baryons and the strong interaction. Generally speaking, those models can be divided into two types—experimental theory and elementally theoretical theory. In the theoretical research, there are the Pion Exchange Model and Quark Model; while in the experimental research, there are various potential models. However, each theory has some deficiencies more or less, up to now there has not appeared a model or theory with which physicists are satisfied.In the Lorentz coupling model of strong interaction between neutral mesonπ~0 and N—N , we have strictly analytic calculated the scattering differential cross-section of two protons about theπ~0renormalized chained propagator and obtained accurate theoretical outcome. Moreover, after comparing with the differential cross-section ofπ~0tree propagator, we have obtained related radiation correction outcome. All these, we have done, can be reference for further researching protons elastic collision at low ergo region and description Lorentz invariant coupling model theory with strong interaction.The result could serve as reference for the in-depth exploration of the Lorentz Invariable Coupling Model, and the research of the scatterring cross-section of the strong interaction between N - N and the neutral meson (π~+ ,π~0,π~- ) in the nucleus physics.
|
PDF Full Text Request