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Cross sections of the 89Y(p,γ) reaction relevant to the p process

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P. Tsagari, M. Kokkoris, E. Skreti, P. Demetriou, S. Galanopoulos, A. G Karydas, Ch. Zarkadas, S. Harissopulos, T. Paradellis, R. Kunz, J. W. Hammer
P. Tsagari, M. Kokkoris, E. Skreti, P. Demetriou, S. Galanopoulos, A. G Karydas, Ch. Zarkadas, S. Harissopulos, T. Paradellis, R. Kunz, J. W. Hammer

Abstract


The cross section of the 89Y(p,7)90Zr reaction was determined at Ep=l.4-4.8 MeV via angle-integrated measurements carried out by means of a 4π Nal summing detector as well as via angular distribution measurements using an array of 4 HPGe detectors with 100% relative efficiency. The resulting cross sections vary from 0.5 to 5 mb. Astrophysical S factors and reaction rates have also been derived. A good agreement between the experimental rates and and the predictions of statistical theory has been found.


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DOI: http://dx.doi.org/10.12681/hnps.2211

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Copyright (c) 2019 P. Tsagari, M. Kokkoris, E. Skreti, P. Demetriou, S. Galanopoulos, A. G Karydas, Ch. Zarkadas, S. Harissopulos, T. Paradellis, R. Kunz, J. W. Hammer

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