"Heavy" elements produced in neutrino-driven winds

Details "Heavy" elements produced in neutrino-driven winds "Heavy" elements produced in neutrino-driven winds

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012jphcs.337a2041a&link_type=abstract

Journal of Physics: Conference Series, Volume 337, Issue 1, pp. 012041 (2012).

Physics

Scientific paper

We present nucleosynthesis studies based on trajectories of hydrodynamical simulations for core-collapse supernovae and their subsequent neutrino-driven winds. Based on recent hydrodynamical simulations, heavy r-process elements (Z > 56) cannot be synthesized in the neutrino-driven winds because the entropy is too low and ejected matter is proton-rich. We have shown that the lighter heavy elements (e.g., Sr, Y, Zr) are produced in neutron- and proton-rich winds and could explain the abundance observed in some very old halo stars.

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