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Time-Scales of the s Process: from Minutes to Ages

Published online by Cambridge University Press:  05 March 2013

F. Käppeler ,
S. Bisterzo ,
R. Gallino ,
M. Heil ,
M. Pignatari ,
R. Reifarth ,
O. Straniero ,
S. Walter ,
N. Winckler  and
K. Wisshak
F. Käppeler*
Affiliation:
Forschungszentrum Karlsruhe, Institut für Kernphysik, P.O. Box 3640, D-76021 Karlsruhe, Germany
S. Bisterzo
Affiliation:
Dipartimento di Fisica Generale, Universitá di Torino, Via P. Giuria 1, I-10125 Torino, Italy
R. Gallino
Affiliation:
Dipartimento di Fisica Generale, Universitá di Torino, Via P. Giuria 1, I-10125 Torino, Italy
M. Heil
Affiliation:
GSI Darmstadt, Planckstr. 1, D-64291 Darmstadt, Germany
M. Pignatari
Affiliation:
Keele University, Keele, Staffordshire ST5 5BG, UK Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, IN 46556, USA
R. Reifarth
Affiliation:
GSI Darmstadt, Planckstr. 1, D-64291 Darmstadt, Germany
O. Straniero
Affiliation:
Osservatorio Astronomico di Collurania, I-64100 Teramo, Italy
S. Walter
Affiliation:
Forschungszentrum Karlsruhe, Institut für Kernphysik, P.O. Box 3640, D-76021 Karlsruhe, Germany
N. Winckler
Affiliation:
GSI Darmstadt, Planckstr. 1, D-64291 Darmstadt, Germany
K. Wisshak
Affiliation:
Forschungszentrum Karlsruhe, Institut für Kernphysik, P.O. Box 3640, D-76021 Karlsruhe, Germany
*
CCorresponding author. Email: franz.kaeppeler@ik.fzk.de
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Abstract

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The time scales in the s process appears to be an approriate aspect to discuss at the occasion of Roberto's 70th anniversary, the more as this subject has been repeatedly addressed during the 20 years of collaboration between Torino and Karlsruhe. The two chronometers presented in this text were selected to illustrate the intense mutual stimulation of both groups. Based on a reliable set of accurate stellar (n, γ) cross sections determined mostly at FZK, the Torino group succeeded to develop a comprehensive picture of the various s-process scenarios, which are most valuable for understanding the composition of the solar system as well as for the interpretation of an increasing number of astronomical observations.

Keywords

stars: AGBnuclear reactions, nucleosynthesis, abundancestime
Type
s-Process and n Capture
Information
Publications of the Astronomical Society of Australia , Volume 26 , Issue 3 , 2009 , pp. 209 - 216
Copyright
Copyright © Astronomical Society of Australia 2009

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