The observed universality of r-process abundance pattern and its implication for nuclear mass models

Details The observed universality of r-process abundance pattern and its implication for nuclear mass models The observed universality of r-process abundance pattern and its implication for nuclear mass models

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nupha.718..644t&link_type=abstract

Nuclear Physics A, Volume 718, p. 644-646.

Physics

Nuclear Physics

Scientific paper

Recently, detections of the r-process elements have been done for several metal-deficient halo stars with metallicity of [Fe/H] ~ -1.5 --3.0. They have indicated that the observed abundance pattern of heavy elements is very similar to that of the solar r-process elements for the mass region 56 < Z < 70, although the abundance of light neutron capture elements have a large scattering. We discuss the mechanism of this universality of the pattern and the possible way to set restriction to the nuclear mass models.

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