Prediction of astrophysical reaction rates: Methods, data needs, and consequences for nucleosynthesis studies

T. Rauscher, R. D. Hoffman, S.E. Woosley, Friedrich-Karl Thielemann

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The majority of nuclear reactions in astrophysics involve unstable nuclei which are not fully accessible by experiments yet. Therefore, there is high demand for reliable predictions of cross sections and reaction rates by theoretical means. The majority of reactions can be treated in the framework of the statistical model (HauserFeshbach). The global parametrizations of the nuclear properties needed for predictions far off stability probe our understanding of the strong force and take it to its limit.The sensitivity of astrophysical scenarios to nuclear inputs is illustrated in the framework of a detailed nucleosynthesis study in type II supernovae. Abundances resulting from calculations in the same explosion model with two different sets of reaction rates are compared. I(ey reactions and required nuclear information are identified.

Original languageEnglish
Title of host publicationCapture Gamma-Ray Spectroscopy and Related Topics
EditorsS. Wender
Place of PublicationMelville
PublisherAmerican Institute of Physics (AIP)
Pages331-338
Number of pages8
ISBN (Print)1-56396-952-1
DOIs
Publication statusPublished - 2000
Event10th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics - SANTA FE
Duration: 30 Aug 19993 Sept 1999

Publication series

NameAIP Conf Procs
Volume529
ISSN (Print)0094-243X

Conference

Conference10th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics
CitySANTA FE
Period30/08/993/09/99

Keywords

  • SUPERNOVAE

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