Two effects relevant for the study of astrophysical reaction rates: gamma transitions in capture reactions and Coulomb suppression of the stellar enhancement

T. Rauscher

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

1 Citation (Scopus)
117 Downloads (Pure)

Abstract

Nucleosynthesis processes involve reactions on several thousand nuclei, both close to and far off stability. The preparation of reaction rates to be used in astrophysical investigations requires experimental and theoretical input. In this contexts two interesting aspects are discussed: (i) the relevant gamma transition energies in astrophysical capture reactions, and (ii) the newly discovered Coulomb suppression of the stellar enhancement factor. The latter makes a number of reactions with negative Q value more favorable for experimental investigation than their inverse reactions, contrary to common belief.

Original languageEnglish
Title of host publicationCapture Gamma-Ray Spectroscopy and Related Topics
EditorsA. Blazhev, J. Jolie, N. Warr, A. Zilges
PublisherAmerican Institute of Physics (AIP)
Pages48-52
Number of pages5
ISBN (Print)978-0-7354-0623-0
Publication statusPublished - 2009
Event13th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics - Cologne, Germany
Duration: 25 Aug 200829 Aug 2008

Publication series

NameAIP Conf Procs
Volume1090
ISSN (Print)0094-243X

Conference

Conference13th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics
Country/TerritoryGermany
CityCologne
Period25/08/0829/08/08

Keywords

  • DENSITY
  • stellar enhancement
  • reaction rates
  • nucleosynthesis
  • capture reactions
  • gamma strength

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