Cross sections of proton capture reactions of Sr isotopes

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Δημοσιευμένα: Δεκ 5, 2019
DOI: https://doi.org/10.12681/hnps.2212
S. Galanopoulos
Institute of Nuclear Physics, National Centre for Scientific Research "Demokritos"
P. Demetriou
Institute of Nuclear Physics, National Centre for Scientific Research "Demokritos"
M. Kokkoris
Institute of Nuclear Physics, National Centre for Scientific Research "Demokritos"
G. Kriembardis
Institute of Nuclear Physics, National Centre for Scientific Research "Demokritos"
S. Harissopulos
Institute of Nuclear Physics, National Centre for Scientific Research "Demokritos"
R. Kunz
Institut für Strahlenphysik, Universität Stuttgart
M. Fey
Institut für Strahlenphysik, Universität Stuttgart
J. W. Hammer
Institut für Strahlenphysik, Universität Stuttgart
Gy. Gyürky
Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI)
Zs. Fülöp
Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI)
E. Somorjai
Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI)
S. Goriely
Institut d' Astronomie et d' Astrophysique, Université Libre de Bruxelles
Περίληψη

Cross section measurements of the proton capture reactions of the 86Sr, 87Sr and 88Sr isotopes were carried out at energies Ep=1.4-5 MeV. At Ep <3.5 MeV an array of 4 HPGe detectors with 100% relative efficiency shielded with BGO scintillators for Compton background suppression was used, whereas at Ep >3.5 MeV, the measurements were performed by means of one HPGe detector of 80% relative efficiency. For the 87Sr(p,7)88Y and 88Sr(p,7)89Y reactions total cross sections ranging from 0.5 μο-5 mb were found. The data analysis of the 86Sr(p,7)87Y reaction is in progress. Cross sections have also been calculated by means of the statistical model code MOST. A very good agreement between the experimental data and the theoretical predictions has been found.

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