Terascale input physics: the role of nuclear electron capture in core collapse supernovae

Details Terascale input physics: the role of nuclear electron capture in core collapse supernovae Terascale input physics: the role of nuclear electron capture in core collapse supernovae

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jphcs..16..400h&link_type=abstract

Journal of Physics: Conference Series, Volume 16, Issue 1, pp. 400-404 (2005).

Physics

Scientific paper

Core Collapse supernovae are among the most energetic explosions in the Universe and the predominant source of chemical elements heavier than carbon. They drive matter to extremes of density and temperature that cannot be produced on Earth and serve as laboratories for fundamental physics. Understanding these events requires the partnership of nuclear and particle physicists with astrophysicists and computational scientists. A case in point is the study of the role that captures of electrons and neutrinos on atomic nuclei play during the collapse of the core of a massive star as it reaches the end of its life. In addition to the astrophysical modeling, the required understanding of the structure of the atomic nucleus is itself a terascale application. We will discuss recent work which shows that a realistic treatment of electron capture on these nuclei causes significant changes in the hydrodynamics of core collapse and bounce, which set the stage for the subsequent evolution of the supernova.

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