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  • Küçük Resim
    Öğe
    Calculations of neutron-induced production cross-sections of W-180,W-182,W-183,W-184,W-186 up to 20 MeV
    (Pergamon-Elsevier Science Ltd, 2009) Sarer, Başar; Aydın, Abdullah; Günay, Mehtap; Korkmaz, Mustafa E.; Tel, Eyyüp
    Neutron-induced cross-sections for the stable isotopes W-180,W-182,W-183,W-184,W-186 in the energy region up to 20 MeV have been calculated. Calculations were made with the codes CEM03.01 and ALICE/ASH, using the following models: the Dubna version of the intranuclear cascade model for the cascade stage of interaction; the hybrid, the geometry dependent hybrid and the exciton model for the pre-equilibrium component; the Hauser-Feshbach and the Weisskopf-Ewing statistical models for the equilibrium component. Effects of some important model parameters such as level density parameter and pairing correction were investigated. Calculated cross-sections were compared with available experimental data in the literature and with ENDF/B-VI T = 300 K and JENDL-3.3 T = 300 K evaluated data libraries. (C) 2008 Elsevier Ltd. All rights reserved.
  • Küçük Resim
    Öğe
    Equilibrium and pre-equilibrium emissions in proton-induced reactions on Tl-203,Tl-205
    (Indian Acad Sciences, 2009) Kaplan, Abdullah; Aydin, Abdullah; Tel, Eyüp; Sarer, Başar
    In this study, the excitation functions for the reactions Tl-203(p, n)Pb-203, Tl-205(p, 3n)Pb-203, Tl-203(p, 2n)Pb-202, Tl-205(p, 4n)Pb-202, Tl-203(p, 3n)Pb-201, Tl-205(p, 5n)Pb-201, Tl-203(p, 4n)Pb-200 and Tl-205(p, 6n)Pb-200 have been calculated using pre-equilibrium and equilibrium reaction mechanisms. Calculated results based on hybrid model, geometry-dependent hybrid model and cascade-exciton model have been compared with the experimental data.
  • [ X ]
    Öğe
    Investigation of the (n, p) reaction cross-sections of some nuclei in the rare-earth elements for an incident energy range of 8-24 MeV
    (Iop Publishing Ltd, 2007) Aydin, Abdullah; Tel, Eyüp; Sarer, Başar
    In this study, the (n, p) reaction cross-sections of some target nuclei in the rare-earth elements have been investigated for an incident energy range of 8 - 24 MeV. In these calculations, the geometry-dependent hybrid model and the cascade exciton model including the effects of pre-equilibrium have been used. The full exciton model has also been used to investigate the pre-equilibrium direct effects. All calculated results have been compared with experimental data. In addition, the ratios of experimental ( n, p) cross-sections to calculated cross-sections using empirical and semi-empirical formulae have been calculated.