An alternative approach to the σ-meson-exchange in nucleon-nucleon interaction
Lingzhi Chen, Hourong Pang, Hongxia Huang, Jialun Ping, Fan Wang
Abstract
Through a quantitative comparative study of the properties of deuteron and nucleon-nucleon interaction with chiral quark model and quark delocalization color screening model. We show that the σ-meson exchange used in the chiral quark model can be replaced by quark delocalization and color screening mechanism.
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