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⁷⁰Ge(p,γ)⁷¹As and ⁷⁶Ge(p,n)⁷⁶As cross sections for the astrophysical p process : sensitivity of the optical proton potential at low energies
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 110176
Author(s) Kiss, G. G.; Gyuerky, Gy.; Elekes, Z.; Fueloep, Zs.; Somorjai, E.; Rauscher, T.
Author(s) at UniBasel Rauscher, Thomas
Year 2007
Title ⁷⁰Ge(p,γ)⁷¹As and ⁷⁶Ge(p,n)⁷⁶As cross sections for the astrophysical p process : sensitivity of the optical proton potential at low energies
Journal Physical review. C, Nuclear physics
Volume 76
Number 5
Pages / Article-Number 055807
Abstract

The cross sections of the Ge-70(p,gamma)As-71 and Ge-76(p,n)As-76 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.

Publisher American Institute of Physics
ISSN/ISBN 0556-2813
edoc-URL http://edoc.unibas.ch/dok/A5253880
Full Text on edoc No
Digital Object Identifier DOI 10.1103/PhysRevC.76.055807
ISI-Number WOS:000251327000074
Document type (ISI) Article
Additional Information Variant title: Ge-70(p,gamma)As-71 and Ge-76(p,n)As-76 cross sections for the astrophysical p process : sensitivity of the optical proton potential at low energies
 
   

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