Browsing by Author "Melko, Adisu"

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    Compound Nucleus Decay of Some Rubidium Systems at Various Energies
    (Addis Ababa University, 2011-06) Melko, Adisu; A.K.Chaubey (Professor)
    In this study, the more emphasis is given to compound nucleus decay. To test this, calculations of the theoretical reaction cross sections of 85Rb( ; n)88Y , 85Rb( ; 2n)87Y , 85Rb( ; 3n)86Y and composition reaction of 85Rb( ; n) and 87Rb( ; 3n) reactions are car- ried out in the incident alpha energy from 15 MeV to 60 MeV. Theoretical calcula- tions of reaction cross sections are done using Alice-91 computer code, which is based on Weisskopf-Ewing model for compound nucleus decay and Geometry Dependent Hybrid (GDH) model for pre-compound nuclear reactions. The calculated results are compared with experimental one and various parameters were changed to see their e ects on the reaction cross sections