70Ge(p,gamma)71As and 76Ge(p,n)76As cross sections for the astrophysical p process: sensitivity of the optical proton potential at low energies

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dc.creatorKiss, G. G.
dc.creatorGyurky, Gy.
dc.creatorElekes, Z.
dc.creatorFulop, Zs.
dc.creatorSomorjai, E.
dc.creatorRauscher, T.
dc.creatorWiescher, M.
dc.date2007-11-07
dc.date.accessioned2026-07-07T10:57:44Z
dc.date.available2026-07-07T10:57:44Z
dc.descriptionThe cross sections of the 70Ge(p,gamma)71As and 76Ge(p,n)76As reactions have been measured with the activation method in the Gamow window for the astrophysical p process. The experiments were carried out at the Van de Graaff and cyclotron accelerators of ATOMKI. The cross sections have been derived by measuring the decay gamma-radiation of the reaction products. The results are compared to the predictions of Hauser-Feshbach statistical model calculations using the code NON-SMOKER. Good agreement between theoretical and experimental S factors is found. Based on the new data, modifications of the optical potential used for low-energy protons are discussed.
dc.descriptionAccepted for publication in Phys. Rev. C
dc.identifierhttps://arxiv.org/abs/0711.1079
dc.identifierhttp://arxiv.org/abs/0711.1079
dc.identifierPhys.Rev.C76:055807,2007
dc.identifierdoi:10.1103/PhysRevC.76.055807
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/186856
dc.subjectNuclear Experiment
dc.title70Ge(p,gamma)71As and 76Ge(p,n)76As cross sections for the astrophysical p process: sensitivity of the optical proton potential at low energies
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