The nucleon and mesons effective masses in the Relativistic Mean-Field Theory

Details The nucleon and mesons effective masses in the Relativistic Mean-Field Theory The nucleon and mesons effective masses in the Relativistic Mean-Field Theory

2000-11-23

arxiv.org/abs/nucl-th/0011084v2

J.Phys.G27:1975-1986,2001

Physics

Nuclear Physics

Nuclear Theory

11 pages, iop latex2e, 7 colour figures, revised version of nucl-th/0011084, accepted to Journal of Physics G: Nuclear and Par

Scientific paper

10.1088/0954-3899/27/10/302

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 m_{eff,N} but also the effective sigma, rho meson masses (m_{eff, sigma}, m_{eff, rho}) and the effective omega meson mass m_{eff, omega} are nucleon density dependent.

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