Browsing Fizik Bölümü by Issue Date
Now showing items 1-20 of 28
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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 ... -
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 ... -
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 ... -
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 ... -
Semi-Empirical Formula with New Coefficients of the (alpha,n) Reaction Cross-Section
(POLISH ACAD SCIENCES INST PHYSICS, 2015)A new modified semi-empirical formula including non-elastic scattering and Coulomb effects for the (alpha,n) reaction cross-section was obtained. The available experimental data were used to get the (alpha,n) reaction ... -
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 ... -
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 ... -
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 ... -
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). ... -
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) ... -
S4 solution of the transport equation for eigenvalues: isotropic, forward and backward scattering in a slab
(SÜLEYMAN DEMİREL ÜNİV., 2017)The neutron transport equation is solved numerically for monoenergetic neutrons in a finite homogeneous slab with backward and forward scattering for the eigenvalue spectrum. The forward-backward-isotropic (FBI) scattering ... -
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 ... -
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 ... -
3rd International Conference on Theoretical and Experimental Studies in Nuclear Applications and Technology (TESNAT)
(E D P SCIENCES., 2017)Shielding neutrons involve three steps that are slowing neutrons, absorption of neutrons, and impregnation of gamma rays. Neutrons slow down with thermal energy by hydrogen, water, paraffin, plastic. Hydrogenated materials ... -
The influence of linear anisotropic scattering of one-speed neutrons on the critical size of A slab with reflective boundary conditions
(VINCA INST NUCLEAR SCI, 2017)The criticality problem for one-speed neutrons in a slab is investigated using Chebyshev polynomials of first kind in the series expansion of the neutron angular flux in stationary neutron transport equation. The medium ... -
S-4 solution of the transport equation for eigenvalues using Legendre polynomials
(EDP SCIENCES., 2017)Numerical solution of the transport equation for monoenergetic neutrons scattered isotropically through the medium of a finite homogeneous slab is studied for the determination of the eigenvalues. After obtaining the ... -
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 ... -
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 ... -
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 ... -
Reaction cross section calculation of some alkaline earth elements
(EDP SCIENCES., 2017)Reaction cross section knowledge is crucial to application nuclear physics such as medical imaging, radiation shielding and material evaluations. Nuclear reaction codes can be used if the experimental data are unavailable ...