Suppression of the stellar enhancement factor and the reaction Rb-85(p, n)Sr-85

T. Rauscher, G. G. Kiss, Gy. Gyuerky, A. Simon, Zs. Fueloep, E. Somorjai

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40 Citations (Scopus)
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Abstract

It is shown that a Coulomb suppression of the stellar enhancement factor occurs in many endothermic reactions at and far from stability. Contrary to common assumptions, reaction measurements for astrophysics with minimal impact of stellar enhancement should be preferably performed for those reactions instead of their reverses, despite of their negative Q value. As a demonstration, the cross section of the astrophysically relevant Rb-85(p, n)Sr-85 reaction has been measured by activation between 2.16

Original languageEnglish
Article number035801
Number of pages12
JournalPhysical Review C (nuclear physics)
Volume80
Issue number3
DOIs
Publication statusPublished - Sept 2009

Keywords

  • STATISTICAL-MODEL CALCULATIONS
  • R-PROCESS
  • PROCESS NUCLEOSYNTHESIS
  • DENSITY
  • ASTROPHYSICAL REACTION-RATES
  • PHYSICS
  • FINITE NUCLEI
  • P-PROCESS
  • HARD-CORE INTERACTION
  • TEMPERATURE

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