Measurements of proton-induced reaction cross sections on Te120 for the astrophysical p process

R. T. Güray, N. Özkan, C. YalçIn, A. Palumbo, R. Deboer, J. Görres, P. J. Leblanc, S. O'Brien, E. Strandberg, W. P. Tan, M. Wiescher, Zs Fülöp, E. Somorjai, H. Y. Lee, J. P. Greene

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Abstract

The total cross sections for the Te120(p,γ)I121 and Te120(p,n)I120 reactions have been measured by the activation method in the effective center-of-mass energies 2.47 MeV ≤ Ec.m.eff ≤ 7.93MeV and 6.44 MeV ≤ Ec.m.eff ≤ 7.93 MeV, respectively. The targets were prepared by evaporation of 99.4% isotopically enriched Te120 on aluminum and carbon backing foils, and bombarded with proton beams provided by the FN tandem accelerator at the University of Notre Dame. The cross sections and S factors were deduced from the observed γ ray activity, which was detected off-line by two Clover HPGe detectors mounted in close geometry. The results are presented and compared with the predictions of statistical model calculations using the codes NON-SMOKER and TALYS.

Original languageEnglish
Article number035804
JournalPhysical Review C - Nuclear Physics
Volume80
Issue number3
DOIs
Publication statusPublished - Sep 15 2009

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Güray, R. T., Özkan, N., YalçIn, C., Palumbo, A., Deboer, R., Görres, J., Leblanc, P. J., O'Brien, S., Strandberg, E., Tan, W. P., Wiescher, M., Fülöp, Z., Somorjai, E., Lee, H. Y., & Greene, J. P. (2009). Measurements of proton-induced reaction cross sections on Te120 for the astrophysical p process. Physical Review C - Nuclear Physics, 80(3), [035804]. https://doi.org/10.1103/PhysRevC.80.035804