Equation of state of neutron-star matter and the isovector nucleon optical model potential

Details Equation of state of neutron-star matter and the isovector nucleon optical model potential Equation of state of neutron-star matter and the isovector nucleon optical model potential

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999jphg...25.2361m&link_type=abstract

Journal of Physics G: Nuclear and Particle Physics, Volume 25, Issue 12, pp. 2361-2369 (1999).

Physics

Scientific paper

Employing the relativistic mean-field theory, the relationship between the equation of state (EOS) of neutron-star matter and the isovector optical model potential for nucleon-nucleus interaction is discussed. By utilizing such a relationship, the possibility of the direct URCA process occurring, which is determined by the proton fraction of the neutron-star matter and gives a rapid cooling of neutron stars, is connected with the energy dependence of the isovector optical potential in the medium-energy region. Therefore, the present result suggests that uncertainties in the EOS and cooling mechanism of neutron-star matter can be reduced, in principle, by a precise determination of the nucleon optical potential.

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