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        Measurements of Gd 152 (p,γ) Tb 153 and Gd 152 (p,n) Tb 152 reaction cross sections for the astrophysical γ process

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        Author
        Güray, R. T.
        Özkan, N.
        Yalçln, C.
        Rauscher, T.
        Gyürky, Gy
        Farkas, J.
        Fülöp, Zs
        Halász, Z.
        Somorjai, E.
        Attention
        2299/16119
        Abstract
        The total cross sections for the Gd152(p,γ)Tb153 and Gd152(p,n)152Tb reactions have been measured by the activation method at effective center-of-mass energies 3.47≤Ec.m.eff≤7.94 MeV and 4.96≤Ec.m.eff≤7.94 MeV, respectively. The targets were prepared by evaporation of 30.6% isotopically enriched Gd152 oxide on aluminum backing foils, and bombarded with proton beams provided by a cyclotron accelerator. The cross sections were deduced from the observed γ-ray activity, which was detected off-line by an HPGe detector in a low background environment. The results are presented and compared with predictions of statistical model calculations. This comparison supports a modified optical proton+Gd152 potential suggested earlier.
        Publication date
        2015-05-29
        Published in
        Physical Review C
        Published version
        https://doi.org/10.1103/PhysRevC.91.055809
        Other links
        http://hdl.handle.net/2299/16119
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