Elastic alpha scattering on Sn-112 and Sn-124 at astrophysically relevant energies

D. Galaviz, Zs. Fulop, Gy. Gyurky, Z. Mate, P. Mohr, T. Rauscher, E. Somorjai, A. Zilges

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43 Citations (Scopus)
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Abstract

The cross sections for the elastic scattering reactions Sn-112,Sn-124(alpha,alpha)Sn-112,Sn-124 at energies above and below the Coulomb barrier are presented and compared to predictions for global alpha-nucleus potentials. The high precision of the new data allows a study of the global alpha-nucleus potentials at both the proton- and neutron-rich sides of an isotopic chain. In addition, local alpha-nucleus potentials have been extracted for both nuclei and used to reproduce elastic scattering data at higher energies. Predictions from the capture cross section of the reaction Sn-112(alpha,gamma)Te-116 at astrophysically relevant energies are presented and compared to experimental data.

Original languageEnglish
Article number065802
Number of pages8
JournalPhysical Review C
Volume71
Issue number6
DOIs
Publication statusPublished - Jun 2005

Keywords

  • NUCLEAR
  • COULOMB BARRIER
  • CROSS-SECTION MEASUREMENTS
  • STATISTICAL-MODEL CALCULATIONS
  • MASSIVE STARS
  • POTENTIALS
  • NUCLEOSYNTHESIS
  • REACTION-RATES
  • PARTICLE SCATTERING
  • P-PROCESS

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