Meson mass modification in strange hadronic matter

Details Meson mass modification in strange hadronic matter Meson mass modification in strange hadronic matter

1999-09-02

arxiv.org/abs/nucl-th/9909005v1

Phys.Lett. B465 (1999) 282-290

Physics

Nuclear Physics

Nuclear Theory

15 pages, Revtex, version to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)01044-8

We investigate in stable strange hadronic matter (SHM) the modification of the masses of the scalar ($\sigma$, $\sigma^*$) and the vector ($\omega$, $\phi$) mesons. The baryon ground state is treated in the relativistic Hartree approximation in the nonlinear $\sigma$-$\omega$ and linear $\sigma^*$-$\phi$ model. In stable SHM, the masses of all the mesons reveal considerable reduction due to large vacuum polarization contribution from the hyperons and small density dependent effects caused by larger binding.

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