arXiv:nucl-th/9706080·v1·Nuclear Theory
Constraints to Coupling Constants of the Omega- and Sigma-Mesons with Dibaryons
Amand Faessler🇩🇪 · A. J. Buchmann (IKP der Uni, Tuebingen)🇩🇪 · M. I. Krivoruchenko (IKP der Uni, Tuebingen and ITEP, Moscow)🇩🇪
Abstract
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.
Comments: 10 pages, 6 figures