The nucleon and mesons effective masses in the Relativistic Mean-Field Theory
Abstract
Nucleon and meson effective masses in the nonlinear Relativistic Mean - Field Theory (RMF) introducing a nonlinear omega - rho and sigma coupling motivated by the Quark Meson Coupling model (QMC) is explored. It is shown that, in contrast to the usual Walecka model, not only the effective nucleon mass meff,N but also the effective sigma, rho meson masses (meff, sigma, meff, rho) and the effective omega meson mass meff, omega are nucleon density dependent.
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