Fragment Distribution in Coexistence Phase of Supernova Matter

概要

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In this paper, we have proposed the LG process which may play an important role for the understanding of mass and isotope distribution in the universe. In order to evaluate its possibility qualitatively, we have demonstrated that the coexistence phase extends to low densities keeping the critical temperatures to be greater than 1 MeV, then materials in the coexistence region can be ejected to the outer space at supernova within a two phase model of RMF. Next, we have performed a statistical model calculation which includes the mass table extension and the Coulomb energy correction to adapt to supernova matter. The calculated results show that nuclei above the iron peak would be formed in the coexistence region at relatively high freeze-out densities, and at these densities, observed isotope distribution are explained well.
理論物理学刊行会の論文
2002-12-26