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Hadron masses in medium and neutron star properties

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Abstract.

We investigate the properties of the neutron star with relativistic mean-field models. We incorporate in the quantum hadrodynamics and in the quark-meson coupling models a possible reduction of meson masses in nuclear matter. The equation of state for neutron star matter is obtained and is employed in Oppenheimer-Volkov equation to extract the maximum mass of the stable neutron star. We find that the equation of state, the composition and the properties of the neutron stars are sensitive to the values of the meson masses in medium.

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Authors and Affiliations

  1. Department of Physics and Institute of Basic Science, Sungkyunkwan University, 440-746, Suwon, Korea

    C. Y. Ryu, C. H. Hyun & S. W. Hong

  2. School of Physics, Seoul Nat’l University, 151-742, Seoul, Korea

    C. H. Hyun

  3. TRIUMF, 4004 Wesbrook Mall, V6T 2A3, Vancouver, British Columbia, Canada

    B. K. Jennings

Authors
  1. C. Y. Ryu
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  2. C. H. Hyun
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  3. S. W. Hong
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  4. B. K. Jennings
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Ryu, C.Y., Hyun, C.H., Hong, S.W. et al. Hadron masses in medium and neutron star properties. Eur. Phys. J. A 24, 149–157 (2005). https://doi.org/10.1140/epja/i2004-10133-6

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  • DOI: https://doi.org/10.1140/epja/i2004-10133-6

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