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    Exploring the KERMA, mass stopping power and projected range values against heavy-charged particles: A focusing study on Sm, Yb, and Nd reinforced tellurite glass shields
    (Pergamon-Elsevier Science Ltd, 2023) Yilmaz, Ayberk; Almisned, Ghada; Alan, Hatice Yilmaz; Susam, Lidya Amon; Ozturk, Gizem; Kilic, Gokhan; Tuysuz, Bahar
    In present study, the behavior of ytterbium (III) oxide, samarium (III) oxide and neodymium (III) oxide reinforced novel TeO2-B2O3-V2O5 (TBV groups, tellurite-vanadium-boro) glasses groups are investigated against heavy charged particles, on mass stopping power, projected range and KERMA parameters. SRIM and PAGEX codes are used for determination of the mass stopping power, projected range and KERMA parameters in a kinetic energy range of 0-10 MeV. The highest KERMA values of TBV(X) glasses were achieved at 0.6 MeV. Among TBV(X) glasses, the TBVY1.5 sample with the highest material density (i.e. 5.01038 g/cm3) had the highest KERMA value. The TBVY1.5 sample has the lowest projected range values for alpha and protons with the same kinetic energy. The lowest values of mass stopping power were reported for the TBVY and TBVS groups, which had the highest density values among the analyzed glass samples. The TBVY1.5 sample provides the greatest stopping and slowing characteristics for alpha and proton kinetic energies ranging from 0 to 10 MeV. In this case, it can be said that these two glass groups may slow down alpha particles with a certain kinetic energy the most effectively. It can be concluded that TBV(Y) and TBV(S) glass groups might be useful for stopping the alpha, proton and electron particles.
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    Non-decreasing monotonic effects of cerium and gadolinium on tellurite glasses toward enhanced heavy-charged particle stopping: alpha-proton particles as major a part of cosmic radiation
    (Springer, 2023) Alan, Hatice Yilmaz; Almisned, Ghada; Yilmaz, Ayberk; Susam, Lidya Amon; Ozturk, Gizem; Kilic, Gokhan; Ilik, E.
    Charged particles have been extensively utilized in medical physics as well as in numerous radiation investigations, including cosmic radiation, which is formed of nearly 99% alpha and protons. In this study, lithium-borotellurite glasses strengthened through cerium (IV) oxide (TBLC groups) and gadolinium (III) oxide (TBLG group) are examined on mass stopping power, projected range, and KERMA parameters over the kinetic energy range from 0 to 10 MesV. SRIM and PAGEX code are utilized for determining the critical parameters. The TBLG20 sample with the greatest material density as well as Gd reinforcement is reported with the highest KERMA value. TBLG20 sample consistently yields the lowest values for the mass stopping power values obtained for alpha and protons. Moreover, alpha and proton mass stopping power values are reported to be the lowest for the TBLG20 sample. The lowest projected range values are observed for the TBLG20 sample with the greatest amount of Gd addition. This noticeable difference confirms the superiority observed in KERMA and mass stopping power values and is attributed to the maximal Gd contribution. It can be concluded that Gd reinforcement into tellurite glasses may provide a non-decreasing monotonic effect on stopping power properties of high-density tellurite glasses.
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    Tailoring a Behavioral Symmetry on KERMA, Mass Stopping Power and Projected Range Parameters against Heavy-Charged Particles in Zinc-Tellurite Glasses for Nuclear Applications
    (Mdpi, 2023) Susam, Lidya Amon; Yilmaz, Ayberk; ALMisned, Ghada; Alan, Hatice Yilmaz; Ozturk, Gizem; Kilic, Gokhan; Tuysuz, Bahar
    We present the behavioral changes and symmetrical enhancement on KERMA, mass stopping power and projected range parameters against heavy-charged particles through Indium (In) and Tantalum (Ta) incorporations for various zinc-tellurite glass groups such as TZI and ZTT for nuclear applications. SRIM and PAGEX codes are utilized for the determination of investigated attenuation parameters for alpha and proton particles. In KERMA calculations, the ZTT7 sample is reported to have the greatest release of charged particles because of an increase in kinetic energy. The mass stopping power values of all absorbent glass materials are steadily increased from 0 MeV to 0.1 MeV. TZI and ZTT attained their maximum mass stopping power at a kinetic energy value of 0.1 MeV. While comparable behavior patterns are seen for various energy values on the examined energy scale, the ZTT7 sample is observed with lower mass stopping power and projected range values against proton particles than the other samples. It can be concluded that zinc-telluride glasses through maximum Ta-reinforcement may be considered as promising materials for stopping the proton and alpha particles. Moreover, Ta-reinforcement may be considered as a monotonic tool in terms of providing a symmetry for attenuation enhancement against heavy-charged particles.
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    Towards a better understanding of detection properties of different types of plastic scintillator crystals using physical detector and MCNPX code
    (Korean Nuclear Society, 2022) Yılmaz, Ayberk; Alan Yılmaz, Hatice; Susam, Lidya Amon; Akkuş, Baki; Almisned, Ghada; İlhan, Taha Batuhan; Tekin, Hüseyin Ozan
    The purpose of this comprehensive research is to observe the impact of scintillator crystal type on entire detection process. For this aim, MCNPX (version 2.6.0) is used for designing of a physical plastic scintillation detector available in our laboratory. The modelled detector structure is validated using previous studies in the literature. Next, different types of plastic scintillation crystals were assessed in the same geometry. Several fundamental detector properties are determined for six different plastic scintillation crystals. Additionally, the deposited energy quantities were computed using the MCNPX code. Although six scintillation crystals have comparable compositions, the findings clearly indicate that the crystal composed of PVT 80% + PPO 20% has superior counting and detecting characteristics when compared to the other crystals investigated. Moreover, it is observed that the highest deposited energy amount, which is a result of the highest collision number in the crystal volume, corresponds to a PVT 80% + PPO 20% crystal. Despite the fact that plastic detector crystals have similar chemical structures, this study found that performing advanced Monte Carlo simulations on the detection discrepancies within the structures can aid in the development of the most effective spectroscopy procedures by ensuring maximum efficiency prior to and during use.