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    Improved Formula for (n,He-3) Fusion Reactions Cross Sections Using Optical Model
    (Springer, 2010) Bolukdemir, M. H.; Tel, E.; Akti, N. N.; Aydin, A.; Okuducu, S.
    Non-elastic cross-sections have been calculated by using optical model for (n, He-3) reactions at 14-15 MeV energy. The new empirical formula including optical model non-elastic effects by fitting two parameters for the (n, He-3) reaction cross-sections have been suggested. The excitation function character and reaction Q-values depending on the asymmetry term effect for the (n, He-3) reaction have been investigated. The obtained cross-section formula with new coefficients has been compared with the experimental data and the other fitting formulae existed in the literature and discussed. It has seen that the fit of new formula in this paper is greatly improved with the experimental data.
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    A Study on Be8-18 Isotopes Used on Neutron Multiplier in Reactor Design
    (Springer, 2011) Tel, E.; Akti, N. N.; Okuducu, S.; Aydin, A.; Sahan, M.; Ugur, F. A.; Sahan, H.
    Neutronic characterization and development of structural materials, neutron multiplier materials, tritium breeders are primarily important for fusion and hybrid reactors. In order to improve neutron economy, beryllium, lead, bismuth, zirconium are considered and used as neutron multiplier materials in fusion and hybrid reactor design. In this study, rms charge radii, neutron radii, mass radii and neutron skin thickness were calculated for Be8-18 isotopes nuclei. The neutron and proton density are calculated for Be isotopes. The results obtained were compared with the experimental and theoretical results of other researchers by using Hartree-Fock method with an effective interaction with Skyrme forces.