Barium isotopes in individual presolar silicon carbide grains from the Murchison meteorite

Barium isotopic compositions of single 2.3–5.3 μm presolar SiC grains from the Murchison meteorite were measured by resonant ionization mass spectrometry. Mainstream SiC grains are enriched in s-process barium and show a spread in isotopic composition from solar to dominantly s-process. In the relat...

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Veröffentlicht in:	Geochimica et cosmochimica acta 2003-09, Vol.67 (17), p.3201-3214
Hauptverfasser:	Savina, Michael R., Davis, Andrew M., Tripa, C.Emil, Pellin, Michael J., Clayton, Robert N., Lewis, Roy S., Amari, Sachiko, Gallino, Roberto, Lugaro, Maria
Format:	Artikel
Sprache:	eng
Schlagworte:	BARIUM BARIUM ISOTOPES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS GRAIN SIZE IONIZATION MASS SPECTROSCOPY METEORITES MOLYBDENUM NUCLEOSYNTHESIS S PROCESS SILICON CARBIDES STARS STRONTIUM ZIRCONIUM
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