alpha-induced cross sections of Cd-106 for the astrophysical p process

Gy. Gyurky, G. G. Kiss, Z. Elekes, Zs. Fulop, E. Somorjai, A. Palumbo, J. Gorres, H. Y. Lee, W. Rapp, M. Wiescher, N. Ozkan, R. T. Guray, G. Efe, T. Rauscher

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Abstract

The Cd-106(alpha,gamma)Sn-110 reaction cross section has been measured in the energy range of the Gamow window for the astrophysical p-process scenario. The cross sections for Cd-106(alpha,n)Sn-109 and for Cd-106(alpha,p)In-109 below the (alpha,n) threshold have also been determined. The results are compared with predictions of the statistical model code NON-SMOKER using different input parameters. The comparison shows that a discrepancy for Cd-106(alpha,gamma)Sn-110 when using the standard optical potentials can be removed with a different alpha + Cd-106 potential. Some astrophysical implications are discussed.

Original languageEnglish
Article number025805
Number of pages9
JournalPhysical Review C (nuclear physics)
Volume74
Issue number2
DOIs
Publication statusPublished - Aug 2006

Keywords

  • NUCLEAR
  • STATISTICAL-MODEL CALCULATIONS
  • R-PROCESS
  • ENERGIES
  • MASSIVE STARS
  • PARTICLES
  • NEUTRON-STAR MERGERS
  • NUCLEOSYNTHESIS
  • GAMMA-PROCESSES
  • REACTION-RATES

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