Yazar "Aydin, Abdullah" için listeleme
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Calculation of Cross-sections and Astrophysical S-Factors for Ni-62(alpha,n) and Ni-62(alpha,gamma) Reactions of Structural Fusion Material Nickel
Yildiz, Ercan; Aydin, Abdullah (Springer, 2016)Nickel is an important element in fusion reactor technologies and astrophysical applications. Therefore, the knowledge of astrophysical S-factors and cross-sections on nickel isotopes is needed. In this work, the cross ... -
Calculation of cross-sections and astrophysical s-factors for the 63 Cu(α,n) and 63 Cu(α,γ) reactions
Yildiz, Ercan; Aydin, Abdullah; Sarpun, Ismail Hakki; Tel, Eyyup (E D P Sciences, 2015)The cross sections and astrophysical S-factors of the Cu-63(alpha,gamma) and Cu-63(alpha,n) reactions have been calculated. The radiative alpha capture reaction cross sections was calculated in the incident energy range ... -
Calculations of Cross-Sections and Astrophysical S-factors for the (alpha,n) Reactions of Some Structural Fusion Materials
Yildiz, Ercan; Aydin, Abdullah; Sarpun, Ismail Hakki; Tel, Eyyup (Springer, 2017)Structural material selection in design of fusion reactors is very crucial. These structural materials should satisfy the hard conditions such as high thermo-mechanical stresses, high heat loads and severe radiation damage ... -
Comparison of fission barrier and level density models for (alpha,f) reaction of some heavy nuclei
Sarpun, Ismail H.; Aydin, Abdullah; Kaplan, Abdullah; Koca, Hulya; Tel, Eyyup (Pergamon-Elsevier Science Ltd, 2014)In this work, alpha induced fission reactions for some heavy nuclei (Th-232, U-235, U-238, Np-237 and Pu-238) are calculated based on both fission barrier models and level density models by using the TALYS 1.2 code. The ... -
Determination of (n,2n) Reaction Cross Sections for Some Nuclei with Asymmetry Parameter
Sarpun, Ismail Hakki; Yalim, Hueseyin Ali; Unal, Ridvan; Oruncak, Bekir; Aydin, Abdullah; Kaplan, Abdullah; Tel, Eyuep (Springer, 2010)The (n,2n) reaction cross sections for targets of Tl-203,Tl-205, Pb-204,Pb-206,Pb-207,Pb-208, Bi-209, Th-232 and U-238 were calculated both theoretically and semi-empirically. Theoretical calculations were done using two ... -
Determination of the effects of nuclear level density parameters on photofission cross sections of U-235 up to 20 MeV
Sarpun, Ismail Hakki; Aydin, Abdullah; Pekdogan, Hakan (E D P Sciences, 2017)The level density models and level density parameters are two of important quantities for describing the properties of nuclei. Especially, the level density parameter has an important role as input in calculation of reaction ... -
Double differential light charged particle emission cross sections for some structural fusion materials
Sarpun, Ismail Hakki; Aydin, Abdullah; Tel, Eyyup (E D P Sciences, 2017)In fusion reactors, neutron induced radioactivity strongly depends on the irradiated material. So, a proper selection of structural materials will have been limited the radioactive inventory in a fusion reactor. First-wall ... -
Double Differential Proton and Alpha Emission Cross Sections for Structural Fusion Materials Mo-94,Mo-95,Mo-96
Sarpun, Ismail Hakki; Aydin, Abdullah; Koning, Arjan (Springer, 2016)In this study, double differential alpha and proton emission cross sections, which is necessary in determination of heating and damages in structural fusion material research, of Mo-94,Mo-95,Mo-96 target nuclei have been ... -
Double Differential Proton Emission Cross Sections for Structural Fusion Materials Mg-24
Demirelli, Gozde; Sarpun, Ismail H.; Oruncak, Bekir; Tel, Eyyup; Aydin, Abdullah (Amer Inst Physics, 2018)In this study, double differential proton emission cross sections of 24Mg target nuclei have been theoretically calculated by the TALYS 1.8 code at 14 MeV neutron incident energy. Theoretical calculated cross sections were ... -
Investigation of Nucleon Mean Free Path Dependence in Tritium Emission Spectra Produced by Proton Induced Reactions at 62 MeV
Yalim, Hueseyin Ali; Aydin, Abdullah; Sarpun, Ismail Hakki; Unal, Ridvan; Oruncak, Bekir; Kaplan, Abdullah; Tel, Eyyup (Springer, 2010)This study aims on the effect of nucleon mean free path on differential cross sections of tritium-emission spectra for (p, H-3) reactions on Al-27, Fe-54,Fe- 56, Y-89, Sn-120, Au-197, Pb-208 and Bi-209 induced by 62 MeV ... -
Investigation of the effects of nuclear level density parameters on the cross sections for the U-234(gamma,f) reaction
Pekdogan, Hakan; Aydin, Abdullah; Sarpun, Ismail Hakki (E D P Sciences, 2015)In this study, we have investigated the effects of nuclear level density parameters on the cross sections for the U-234(gamma,f) reaction up to 20 MeV. The cross sections on U-234(gamma,f) reaction were calculated for ... -
Investigation of the nuclear structure of the Be, Cr and Cu isotopes
Tel, Eyyüp; Baldık, Rıdvan; Aytekin, Hüseyin; Aydin, Abdullah (Pergamon-Elsevier Science Ltd, 2009)The Root-Mean-Square (RMS) nuclear charge, neutron and proton radii, charge, neutron and proton densities, neutron skin thickness and total binding energy per particle were calculated using the Hartree-Fock method with ... -
Investigation of the properties of the nuclei used on the new generation reactor technology systems
Tel, Eyyup; Sahin, Haci Mehmet; Kaplan, Abdullah; Aydin, Abdullah; Altinok, Taner (Pergamon-Elsevier Science Ltd, 2008)The main application fields of the fast neutrons are accelerator-driven subcritical systems (ADS) and fusion-fission (hybrid) reactor systems for fission energy production. Thorium (Th) and uranium (U) are nuclear fuels ... -
Monte Carlo studies in accelerator-driven systems for transmutation of high-level nuclear waste
Sarer, Basar; Korkmaz, M. Emin; Günay, Mehtap; Aydin, Abdullah (Pergamon-Elsevier Science Ltd, 2008)A spallation neutron source was modeled using a high energy proton accelerator for transmutation of Pu-239, minor actinides Np-237, Am-241 and long-lived fission products Tc-99, I-129, which are created from the operation ... -
Newly developed semi-empirical formulas for (p, alpha) at 17.9 MeV and (p, np) at 22.3 MeV reaction cross-sections
Tel, Eyyup; Aydin, Abdullah; Aydin, E. Gamze; Kaplan, Abdullah; Yavas, Oemer; Reyhancan, Iskender A. (Indian Acad Sciences, 2010)In this study, we have investigated the asymmetry term effect for the (p, alpha) and (p, np) reaction cross-sections and obtained new coefficients for the (p, alpha) and (p, np) reaction cross-sections at 17.9 and 22.3 MeV ... -
Pre-Equilibrium He-3-Emission Spectra at 62 MeV Proton Incident Energy
Aydin, Abdullah (Springer, 2010)In this study, the He-3-emission cross sections for Al-27, Fe-54,Fe-56, Au-197, Pb-208 and Bi-209 target nuclei have been calculated at 62 MeV proton energy. In these calculations, the pre-equilibrium effects have been ... -
Pre-equilibrium neutron-emission spectra of U-238 with an effective nucleon-nucleon interactions
Tel, Eyyup; Ersoy, Erhan; Sahan, Muhittin; Yazar, Harun Resit; Aydin, Abdullah (Pergamon-Elsevier Science Ltd, 2013)In this study, the initial exciton numbers for the target nucleus U-238 were calculated through a new method offered by Tel et al. (Ann. Nucl. Energy, 35, 220, 2008). Neutron-emission spectra produced by (n,xn) reactions ... -
Study of the pre-equilibrium mean free path constant for light and heavy nuclei for (n, xn) reactions
Tel, Eyyup; Tatar, Aynur; Aydin, Abdullah (Pergamon-Elsevier Science Ltd, 2011)Using pre-equilibrium reaction mechanisms, the neutron-emission spectra produced by (n, xn) reactions for some target (A = 16 similar to 238) nuclei have been calculated for incident neutron energy in the range of 15-26 ... -
A study on nuclear properties of Zr, Nb, and Ta nuclei used as structural material in fusion reactor
Sahan, Halide; Tel, Eyyup; Sahan, Muhittin; Aydin, Abdullah; Sarpun, Ismail Hakki; Kara, Ayhan; Doner, Mesut (E D P Sciences, 2015)Fusion has a practically limitless fuel supply and is attractive as an energy source. The main goal of fusion research is to construct and operate an energy generating system. Fusion researches also contains fusion structural ... -
Theoretical investigation of cross sections and astrophysical S-factors for the Mo-92(alpha,n)Ru-95 and Mo-94(alpha,n)(97) Ru reactions
Aydin, Abdullah; Yildiz, Ercan; Sarpun, Ismail Hakki (E D P Sciences, 2016)Molybdenum is commonly applied as a constructive material in different types of nuclear reactors. The cross sections of the Mo-92(alpha, n) Ru-95 and Mo-94(alpha, n) Ru-97 reactions have been calculated at 5-20 MeV energy ...