Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983cha%26a...7..288s&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 7, Issue 4, p. 288-294.
Astronomy and Astrophysics
Astrophysics
Scientific paper
We further discussed the Modified Mean Field Theory proposed in [1,2]. We found that this model has a new solution ml = 2; adding ϱ-meson, we calculated the symmetric energy of nuclear matter a4; with the new parameters we calculated the equations of state with and without the addition of ϱ-meson we compared the two; we also compared with the results for ml = 4.3; we made a preliminary theoretical investigation of the form of the vector meson mean field using the two-body correlation function; lastly, using the structural equation of neutron star we calculated the maximum mass for the various equations of state. The results are: MMFT-2 (ml = 2): Mmax = 2.22Msolar (without ϱ-meson) Mmax = 2.27Msolar (with ϱ-meson)MMFT-1 (ml = 4.3): Mmax = 1.69Msolar (without ϱ-meson) Mmax = 1.89Msolar (with ϱ-meson)
Gao Shang-Hui
Ge Yun-Zao
Li Zong-Wei
Liang En-Zuo
Liang Shao-Rong
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