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Title:
Explosive Yields of Massive Stars from Z = 0 to Z = Zsolar
Authors:
Chieffi, Alessandro; Limongi, Marco
Affiliation:
AA(Istituto di Astrofisica Spaziale e Fisica Cosmica (CNR), Via Fosso del Cavaliere, I-00133 Roma, Italy; .; School of Mathematical Sciences, P.O. Box 28M, Monash University, Victoria 3800, Australia.; Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Mail Number 31, P.O. Box 218, Hawthorn, Victoria 3122, Australia.), AB(School of Mathematical Sciences, P.O. Box 28M, Monash University, Victoria 3800, Australia.; Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Mail Number 31, P.O. Box 218, Hawthorn, Victoria 3122, Australia.; Istituto Nazionale di Astrofisica-Osservatorio Astronomico di Roma, Via Frascati 33, I-00040 Monteporzio Catone, Italy; .)
Publication:
The Astrophysical Journal, Volume 608, Issue 1, pp. 405-410. (ApJ Homepage)
Publication Date:
06/2004
Origin:
UCP
ApJ Keywords:
Nuclear Reactions, Nucleosynthesis, Abundances, Stars: Evolution, Stars: Supernovae: General
DOI:
10.1086/392523
Bibliographic Code:
2004ApJ...608..405C

Abstract

We present a new and homogeneous set of explosive yields for masses 13, 15, 20, 25, 30, and 35 Msolar and metallicities Z=0, 10-6, 10-4, 10-3, 6×10-3, and 2×10-2. A wide network extending up to Mo has been used in all computations. We show that at low metallicities (Z<=10-4), the final yields do not depend significantly on the initial chemical composition of the models, so a scaled solar distribution may be safely assumed at all metallicities. Moreover, no elements above Zn are produced by any mass in the grid up to a metallicity ~10-3. These yields are available for any choice of the mass cut on request.
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