Patterns of r-process in collapse-driven supernovae: delayed or prompt mechanism?

Details Patterns of r-process in collapse-driven supernovae: delayed or prompt mechanism? Patterns of r-process in collapse-driven supernovae: delayed or prompt mechanism?

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nupha.718..303s&link_type=abstract

Nuclear Physics A, Volume 718, p. 303-306.

Physics

Nuclear Physics

Scientific paper

We present that two scenarios of r-process in collapse-driven supernovae are viable to explain recently observed abundance patterns of the r-process elements. By numerical simulations of hydrodynamics and nuclear reaction network, we show that the successful r-process nucleosynthesis can take place in a prompt explosion and in neutrino-driven winds. These two scenarios may correspond to the progenitor-mass ranges, which give the difference between prompt explosions for lower-end massive stars and delayed explosions for other massive stars.

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