Symmetry Breaking for Rho Meson in Neutron Matter

Details Symmetry Breaking for Rho Meson in Neutron Matter Symmetry Breaking for Rho Meson in Neutron Matter

1995-12-06

arxiv.org/abs/nucl-th/9512010v1

Phys.Lett. B378 (1996) 35-39

Physics

Nuclear Physics

Nuclear Theory

Plain LaTeX file

Scientific paper

10.1016/0370-2693(96)00382-6

Qualitative changes in the collective excitation spectra of the $\rho$-meson triplet in neutron matter is studied, with particular emphasis on the breaking of the discrete $p\leftrightarrow n$ symmetry. The appearance of additional branches in the dispersion characteristics, the mass splitting among the charge states, the splitting between longitudinal and transverse modes of the $\rho^{\pm}$ mesons and the appearance of `island' modes (or loops) in the time-like region are some of the features that are exposed.

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