Vector meson propagation in dense matter

Details Vector meson propagation in dense matter Vector meson propagation in dense matter

1998-01-26

arxiv.org/abs/nucl-th/9801053v2

Physics

Nuclear Physics

Nuclear Theory

18 pages, 9 EPS figures, uses article.sty, epsfig.sty, sprocl.sty, talk given at the APCTP Workshop on Astro-Hadron Physics, S

Scientific paper

The properties of vector mesons in nuclear matter are discussed. Results for the momentum dependence of the $\rho$-meson self energy in matter due to $\rho N$ interactions are presented, and consequences for the production rate of $e^+e^-$ pairs in hot and dense matter are discussed. I also examine the constraints imposed by elementary processes on the widths of $\rho$ and $\omega$ mesons in nuclear matter, and conclude that in recent models the in-medium widths of these mesons are overestimated.

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