Extinct Technetium in Silicon Carbide Stardust Grains: Implications for Stellar Nucleosynthesis

Science

Volumn 303, Issue 5658, 2004, Pages 649-652

  Savina, Michael R ^a   Davis, Andrew M ^b,c   Tripa, C Emil ^a,b   Pellin, Michael J ^a   Gallino, Roberto ^d   Lewis, Roy S ^b   Amari, Sachiko ^e  

^a ARGONNE NATIONAL LABORATORY   (United States)

^b UNIVERSITY OF CHICAGO   (United States)

^c UNIVERSITY OF CHICAGO   (United States)

^d UNIVERSITY OF TURIN   (Italy)

^e WASHINGTON UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL MICROSTRUCTURE; RUTHENIUM; SOLAR SYSTEM; SYNTHESIS (CHEMICAL);

GIANT BRANCH STARS;

SILICON CARBIDE;

RUTHENIUM; SILICON CARBIDE; TECHNETIUM 99M;

ASTROPHYSICS;

ARTICLE; ASTRONOMY; GRAIN DUST; HALF LIFE TIME; MASS; POLYMERIZATION; PRIORITY JOURNAL; SYNTHESIS;

EID: 0942268868     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.3030649     Document Type: Article

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33. We thank R. N. Clayton, L. Nittler, and two anonymous reviewers for careful reading of this paper. Supported by the U,S. Department of Energy, Basic Energy Sciences-Material Sciences under contract W-31-109-ENG-38; NASA grants 8336 (S.A.), 9510 (A.M.D.), and an unnumbered grant (M.J.P.); the University of Chicago; and the Italian FIRB Progetto Origine Astrofisica deg[i Elementi Pesanti Oltre il Ferro. The University of Chicago operates Argonne National Laboratory under contract with the U.S. Department of Energy.