Whether the mixing of scalar meson exists or not is an interesting question. We consider the mixing of scalar meson and further study the nucleon-nucleon intera
In the frame of the constituent quark model with screened color confinement, non-strange baryon spectra are studied by using non-relativistic and semi-relativis
Exactly solvable models are important in quantum physics. Usually, there are some underlying quantum dynamical algebras (QDA) inherit in these physical models.