The effective ω-meson mass with a vector field self-interaction

Details The effective ω-meson mass with a vector field self-interaction The effective ω-meson mass with a vector field self-interaction

2000-08-30

arxiv.org/abs/nucl-th/0008059v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, 2 eps figures

Scientific paper

We calculate the effective mass m_\omega^* of the \omega-meson in nuclear medium by the \sigma-\omega model with a vector field self-interaction (VFSI). We found that the direct and the indirect effects of the VFSI almost cancel each other and the result is changed only slightly at the normal density. The VFSI makes m^*_\omega smaller at lower density and makes m_\omega^* larger at higher density. However, both effects are not large.

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