Other
Scientific paper
Feb 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..425..626a&link_type=abstract
Tours symposium on nuclear physics III. AIP Conference Proceedings, Volume 425, pp. 626-636 (1998).
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4
Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Abundances, Chemical Composition, Astrometry And Reference Systems
Scientific paper
The p-process has been studied by now in a quite large variety of astrophysical situations. This review concerns the p-nuclidic yields from the explosion of massive stars either as SNII, or as pair-creation supernovae. The nucleosynthetic predictions rely on detailed stellar models, on quantitative p-process seed abundances, as well as on extended nuclear reaction networks. The impact of some key nuclear physics and astrophysics uncertainties on the p-process yields is also investigated. In addition, a first quantitative evaluation of the metallicity dependence of the amount of ejected p-nuclides is provided by the study of SN1987A. This represents the first step in the construction of a reliable model for the evolution of the galactic content of the p-nuclides. Our predictions are confronted with the bulk solar system composition, as well as with isotopic anomalies attributed to p-nuclides observed in various meteoritic materials. The possibility of developing a p-process chronometry on the short-lived radionuclides 92Nb and 146Sm that are inferred to have been present in the early solar system is also briefly discussed.
Arnould Marcel
Hashimoto Masa-aki
Rayet Marc
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