Constraints to Coupling Constants of the Omega- and Sigma-Mesons with Dibaryons

Details Constraints to Coupling Constants of the Omega- and Sigma-Mesons with Dibaryons Constraints to Coupling Constants of the Omega- and Sigma-Mesons with Dibaryons

1997-06-27

arxiv.org/abs/nucl-th/9706080v1

Phys.Rev.C56:1576-1581,1997

Physics

Nuclear Physics

Nuclear Theory

10 pages, 6 figures

Scientific paper

10.1103/PhysRevC.56.1576

The effect of narrow dibaryon resonances to nuclear matter and structure of neutron stars is investigated in the mean-field theory (MFT) and in the relativistic Hartree approximation (RHA). The existence of massive neutron stars imposes constraints to the coupling constants of the omega- and sigma-mesons with dibaryons. We conclude that the experimental candidates to dibaryons d1(1920) and d'(2060) if exist form in nuclear matter a Bose condensate stable against compression. This proves stability of the ground state for nuclear matter with a Bose condensate of the light dibaryons.

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