Proton capture cross section of Sr isotopes

Gy Gyürky, E. Somorjai, T. Rauscher, S. Harissopulos

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Abstract

The (p,γ) cross section of 84,86,87Sr isotopes has been measured using activation technique in the proton energy range between 1.5 and 3 MeV. These reactions are relevant to the p-process of stellar nucleosynthesis and in addition, the reaction cross sections in the mass region up to 100 are also important concerning the rp-process associated with explosive hydrogen and helium burning. It is speculated that this rp-process could be responsible for the higher abundances of p-nuclei in this mass region. Natural SrF2 targets were irradiated at the 5 MV Van de Graaff accelerator of the ATOMKI. The induced γ-activity was measured with a calibrated HPGe detector. The resulting cross sections, important for the quantitative discussion of the production of p-nuclei, are compared with the predictions of statistical model calculations using the NON-SMOKER code.

Original languageEnglish
Pages (from-to)90-93
Number of pages4
JournalNuclear Physics A
Volume688
Issue number1-2
DOIs
Publication statusPublished - May 21 2001

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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