Measurements of proton-induced reaction cross sections on Te-120 for the astrophysical p process


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GÜRAY R. T. , Ozkan N. , YALÇIN C. , Palumbo A., deBoer R., Gorres J., ...Daha Fazla

PHYSICAL REVIEW C, cilt.80, 2009 (SCI İndekslerine Giren Dergi) identifier identifier

Özet

The total cross sections for the Te-120(p,gamma)I-121 and Te-120(p, n)I-120 reactions have been measured by the activation method in the effective center-of-mass energies 2.47 MeV <= E-c.m.(eff) <= 7.93 MeV and 6.44 MeV <= E-c.m.(eff) <= 7.93 MeV, respectively. The targets were prepared by evaporation of 99.4% isotopically enriched Te-120 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 gamma 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.