Browsing Fizik Bölümü by Title
Now showing items 2-21 of 28
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A conventional phase function with the chebyshev polynomials of second kind for the criticality problem in transport theory
(ADYUSCI, 2017)The criticality calculations for one-speed neutrons in a finite homogenous slab are done using the conventional Henyey-Greenstein (HG) phase function in transport theory. After defining the phase function in transport ... -
A study on nuclear properties of Zr, Nb, and Ta nuclei used as structural material in fusion reactor
(EDP 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 ... -
Calculation of (n,alpha) reaction cross sections by using some Skyrme force parameters for Potassium (K-41) target nuclei
(EDP SCIENCES., 2017)In this study, the (n, alpha) nuclear reaction cross section was calculated for K-41 target nuclei for neutron and proton density parameters using SKa, SKb, SLy5, and SLy6 Skyrme force. Theoretical cross section for the ... -
Calculation of (p,gamma) and (p,alpha) nuclear reaction cross sections in stars up 10 MeV
(EDP SCIENCES., 2016)In Knowledge of the proton-proton (p-p) chain and CNO cycle are required for the evolution of main sequence stars during the early formation of the universe. In this study, we summarized the excitation functions of (p,gamma) ... -
Calculation of eigenvalues for neutron transport equation using Henyey-Greenstein phase function in slab geometry
(EDP SCIENCES., 2016)Eigenvalues are obtained for one-dimensional steady-state neutron transport equation in slab geometry using Henyey-Greenstein (HG) phase function. Firstly, HG phase function is inserted into neutron transport equation then ... -
Calculations of neutron-induced alpha emission double-differential cross section of Flourine at 14.2 MeV
(E D P SCIENCES., 2017)In this preset study, calculations of neutron-induced alpha particle emission double-differential cross section of fluorine (F-19) at 14.2 MeV have been calculated by using ALICE and EMPIRE model programs for six different ... -
Calculations of(n,2n) reaction cross sections for (74,76,78,80,82)se up to 20 MeV
(EDP SCIENCES., 2016)In the present work, the excitation functions of(n,2n) reactions for five isotopes of selenium (74,76,78,80,82Se) are calculated using ALICE/ASH, EMPIRE-3.2.2, PCROSS, and TALYS 1.6 computer codes based on statistical model ... -
Cross-section calculations of (n, 2n) and (n, p) reactions for 69,71 Ga and 75 As target nuclei up to 20 meV
(National Academy of Sciences of Ukraine, 2018)In the present research, neutron induced reaction cross sections of 69,71 Ga(n, 2n), 69,71 Ga(n, p), 75 As(n, 2n) and 75 As(n, p) were investigated up to 20 MeV. Three theoretical calculation codes (EMPIRE 3.2, TALYS 1.6 ... -
Depth dose calculations
(EDP SCIENCES., 2017)In this study, calorimetric method is used to derive the depth doses calculation. In the experiment at the KeV level, an Ir-192 source with three different gamma energies was used. The source activity is approximately 9.15 ... -
Discrete ordinates (S-N) method for the first solution of the transport equation using Chebyshev polynomials
(EDP SCIENCES., 2016)First estimates for the numerical solution of the one-dimensional neutron transport equation for one-speed neutrons in a finite homogeneous slab is studied. The neutrons are assumed to be scattered isotropically through ... -
Double differential light charged particle emission cross sections for some structural fusion materials
(EDP 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 ... -
Estimation of monthly global solar radiation in the eastern Mediterranean region in Turkey by using artificial neural networks
(EDP SCIENCES., 2016)In this study, an artificial neural network (ANN) model was used to estimate monthly average global solar radiation on a horizontal surface for selected 5 locations in Mediterranean region for period of 18 years (1993-2010). ... -
Galactic hα emission line studies using DEFPOS at the tÜBITAK national observatory
(TUBITAK, 2018)Hα spectral line (6563 Å) profiles of eight Northern H II regions in our galaxy (Sh2-25, Sh2-131, Sh2-237, IC 434, IC 1318, NGC 1982, NGC 6543, and NGC 6611) have been obtained using the Dual Etalon Fabry–Pérot Optical ... -
Highly selective Schiff base derivatives for colorimetric detection of Al3+
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2017)Schiff base derivatives NBAR and NSAR were developed for selective detection of Al3+ in aqueous solution. UV-vis spectroscopic studies revealed that NBAR and NSAR showed marked sensitivity and selectivity to Al3+ in ... -
Investigation of Gd addition added on magnetic and structural roperties of Bi1.8Pb0.35Sr1.9Ca2.1Cu3GdxOy superconductors by ac susceptibility
(SPRINGER, 2011)This study reports the effect of Gd addition on magnetic and structural properties of Bi1.8Pb0.35Sr1.9Ca2.1 Cu3GdxOy superconductor with x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5 by means of ac susceptibility measurements at various ... -
Measurement of energy transitions for the decay radiations of 75 Ge and 69 Ge in a high purity germanium detector
(Elsevier, 2018)Photoactivation experiments have a wide range of application areas in nuclear, particle physics, and medical physics such as measuring energy levels and half-lifes of nuclei, experiments for understanding imaging methods ... -
Natural Radioactivity concentration of peanuts in Osmaniye-Turkey
(AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, 2012)The peanut is grown in Osmaniye where located in southern Turkey. Due to it is grown underground, the measurements of natural radioactivity of peanuts become important. For this reason some peanut samples have been collected ... -
Particle induced nuclear reaction calculations of Boron target nuclei
(EDP SCIENCES., 2017)Boron is usable element in many areas such as health, industry and energy. Especially, Boron neutron capture therapy (BNCT) is one of the medical applications. Boron target is irradiated with low energy thermal neutrons ... -
Problems in detection and measurement in nuclear medicine
(EDP SCIENCES., 2015)Nuclear Medicine studies are performed with a variety of types of radiation measurement instruments, depending on the kind of radiation source that is being measured and the type of information sought. For example, some ... -
Proton bombarded reactions of Calcium target nuclei
(EDP SCIENCES., 2017)In this study, proton bombarded nuclear reactions calculations of Calcium target nuclei have been investigated in the incident proton energy range of 1-50 MeV. The excitation functions for Ca-40 target nuclei reactions ...