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Proton-capture Reaction Cross Sections on the Sr Isotopes Relevant to the p-process Nucleosynthesis

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Hellenic Nuclear Physics Society   

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Proton-capture Reaction Cross Sections on the Sr Isotopes Relevant to the p-process Nucleosynthesis (EN)
Galanopoulos, S.
Harissopulos, S.
Hammer, J. W.
Kunz, R.
Demetriou, P.
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2020-02-20
Proton-capture reaction cross sections on the 86,87,88Sr isotopes have been determined at energies from 1.4 to 5 MeV by measuring γ-angular distributions at the 4 MV single-ended Dynamitron accelerator of the University of Stuttgart as well as at the 5 MV VdG Tandem accelerator of NCSR "Demokritos", Athens. In the former case an array of 4 HPGe detectors with relative efficiency εr≈100%, each shielded with BGO crystals, were used. In the case of the measurements carried out at "Demokritos" we used only one HPGe detector (εr≈80%) with no BGO shield. Cross sections ranging from 0.5 μb to 5 mb as well as the relevant S factors were obtained. The data were compared with statistical model calculations using the code MOST. In the calculations, various combinations of microscopic and phe- nomenological models of the nucleon-Nucleus Optical Model Potentials (OMP) and Nuclear Level Densities (NLD) were used and a good agreement between the data and theoretical predictions was found. (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
English
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 13 (2004): HNPS2004; 153-160 (EL)
HNPS Advances in Nuclear Physics; Vol. 13 (2004): HNPS2004; 153-160 (EN)
Πνευματική ιδιοκτησία (c) 2020 S. Galanopoulos, S. Harissopulos, J. W. Hammer, R. Kunz, P. Demetriou (EL)
Hellenic Nuclear Physics Society
Annual Symposium of the Hellenic Nuclear Physics Society
Oral contributions



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