Effects of new non-linear couplings in relativistic effective field theory

Details Effects of new non-linear couplings in relativistic effective field theory Effects of new non-linear couplings in relativistic effective field theory

1999-09-07

arxiv.org/abs/nucl-th/9909010v2

Physics

Nuclear Physics

Nuclear Theory

26 pages, 11 postscript figures (accepted for publication to Phys. Rev. C)

Scientific paper

We extend the relativistic mean field theory model of Sugahara and Toki (TM1) by adding new couplings suggested by modern effective field theories. An improved set of parameters (TM1*) 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.

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