Phys. Rev. C 63, 024314 (2001) [11 pages]Effects of new nonlinear couplings in relativistic effective field theoryReceived 17 August 2000; published 23 January 2001 We extend the relativistic mean field theory model of Sugahara and Toki by adding new couplings suggested by modern effective field theories. An improved set of parameters is developed with the goal to test the ability of the models based on effective field theory to describe the properties of finite nuclei and, at the same time, to be consistent with the trends of Dirac-Brueckner-Hartree-Fock calculations at densities away from the saturation region. We compare our calculations with other relativistic nuclear force parameters for various nuclear phenomena. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.63.024314
DOI:
10.1103/PhysRevC.63.024314
PACS:
21.60.-n, 21.10.Dr, 21.65.+f, 21.30.Fe
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