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Constraints to Coupling Constants of the Omega- and Sigma-Mesons with Dibaryons | | Amand Faessler
; A. J. Buchmann
; M. I. Krivoruchenko
; | | Date: |
27 Jun 1997 | | Journal: | Phys.Rev. C56 (1997) 1576-1581 | | Subject: | nucl-th | | Affiliation: | 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. | | Source: | arXiv, nucl-th/9706080 | | Services: | Forum | Review | PDF | Favorites | |
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