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Type Ia Supernovae: Energetics, Neutronization and Nucleosynthesis

Truran, James W. and Calder, Alan C. and Townsley, Dean M. and Seitenzahl, Ivo R. and Peng, Fang and Vladimirova, Natalia and Lamb, Donald Q. and Brown, Edward F. (2007) Type Ia Supernovae: Energetics, Neutronization and Nucleosynthesis. In: The multicolored landscape of compact objects and their explosive origins : Cefalu, Sicily, 11-24 June 2006. AIP Conference Proceedings. No.924. American Institute of Physics , Melville, NY, pp. 203-209. ISBN 978-0-7354-0434-2.

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The utility of Type Ia supernovae, not simply as probes of the distance scale but also as a means of constraining the properties of dark energy, demands a significant improvement in theoretical predictions of their properties in outburst. To this end, we have given substantial effort to quantifying the energetics and nucleosynthesis properties of deflagration fronts in the interiors of the putative carbon-oxygen white dwarf progenitors of Type Ia thermonuclear supernovae. We briefly review some essential features of our flame model and its properties in this paper and discuss its implications both for our multidimensional numerical simulations of SNe Ia and for nucleosynthesis (specifically 56Ni production) in SNe Ia and Galactic chemical evolution.

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Additional Information:©2007 American Institute of Physics. This work was supported in part at the University of Chicago by the U.S. Department of Energy under Contract B523820 to the ASC Alliances Center for Astrophysical Flashes, and in part by the National Science Foundation under Grant PHY02-16783 for the Frontier Center "Joint Institute for Nuclear Astrophysics" (JINA). JWT acknowledges support from Argonne National Laboratory, which is operated under contract No. W-31-109-ENG-38 with the DOE. EFB and ACC acknowledge support from the NSF grant AST-0507456.
Funding AgencyGrant Number
Department of Energy (DOE)B523820
NSFPHY 02-16783
Department of Energy (DOE)W-31-109-ENG-38
Subject Keywords:supernovae; nucleosynthesis; dark matter; white dwarfs
Series Name:AIP Conference Proceedings
Issue or Number:924
Record Number:CaltechAUTHORS:TRUaipcp07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8666
Deposited By: Archive Administrator
Deposited On:03 Sep 2007
Last Modified:02 Oct 2019 23:53

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