Yazar "Kaçal, Mustafa Recep" için listeleme
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Chemical effect on the K shell absorption parameters of some selected cerium compounds
Akman, Ferdi; Kaçal, Mustafa Recep; Durak, Rıdvan (IOP Publishing Ltd and Sissa Medialab srl, 2016-08-08)In this study, the photoelectric cross section values of Ce, CeCl3.7H2O, Ce2(SO4)3, Ce(OH)4 and Ce2O3 samples were measured in the energy range from 31.82 keV up to 51.70 keV by adopting in narrow beam geometry. Using these ... -
Determination of K shell absorption jump factors and jump ratios of 3d transition metals by measuring K shell fluorescence parameters
Kaçal, Mustafa Recep; Han, İbrahim; Akman, Ferdi (Elsevier Ltd., 2015-01-01)Energy dispersive X-ray fluorescence technique (EDXRF) has been employed for measuring K-shell absorption jump factors and jump ratios for Ti, Cr, Fe, Co, Ni and Cu elements. The jump factors and jump ratios for these ... -
Determination of K shell absorption parameters for some lanthanides using the X-ray attenuation method
Akman, Ferdi; Durak, Rıdvan; Kaçal, Mustafa Recep (nrcresearch press, 2015-07-27)The total attenuation cross section at the K edge, absorption jump ratio, jump factor, Davisson–Kirchner ratio, and oscillator strength parameters for the K shell were determined by measuring the total attenuation cross ... -
Determination of K Shell Fluorescence Parameters for Some Elements in the Atomic Number Range 50≤Z≤60
Turhan, Mehmet Fatih; Akman, Ferdi; Kaçal, Mustafa Recep; Durak, Rıdvan (IPCAP 2016, 2016-02-27)The fluorescence cross sections, fluorescence yields, level widths and intensity ratio for some elements in the atomic range 50≤Z≤60 were measured. The targets were excited using photons of 59.54 keV emitted from an Am-241 ... -
Determination of K-Li Sub-Shell, Total K-L and Total K-M shell Vacancy Transfer Probabilities for Europium, Gadolinium and Terbium
Akman, Ferdi; Durak, Rıdvan; Kaçal, Mustafa Recep; Turhan, Mehmet Fatih (IPCAP 2016, 2016-02-27)There are different ways to produce a vacancy in an atom such as photoelectric effect, Compton scattering, triplet production, charged particle Coulomb interaction, internal conversion, electron capture, positron annihilation ... -
Determination of K-shell absorption jump factors and jump ratios for La2O3, Ce and Gd using two different methods
Akman, Ferdi; Durak, Rıdvan; Kaçal, Mustafa Recep; Turhan, Mehmet Fatih; Akdemir, Fatma (2015-02-01)The K shell absorption jump factors and jump ratios for La2O3, Ce and Gd samples have been determined using the gamma or X-ray attenuation and EDXRF methods. It is the first time that the K shell absorption jump factor and ... -
Determination of Kα,β excitation factors in thin target for selected elements from Y to Te at 59.54 keV excitation energy
Akman, Ferdi; Akdemir, Fatma; Durak, Rıdvan; Kaçal, Mustafa Recep; Aksakal, Oğuz; Araz, Aslı (Elsevier, 2015-10-22)The paper presents the first measurements of the Kα and Kβ excitation factors for some selected elements from Y to Te. To determine the Kα and Kβ excitation factors, the experimental values of K shell X-ray production cross ... -
Investigation of chemical effect on the absorption parameters for some selected indium complex at 59.54 keV photon energy
Akman, Ferdi; Akman, Feride; Kaçal, Mustafa Recep; Turhan, Mehmet Fatih; Akdemir, Fatma; Araz, Aslı; Durak, Rıdvan (IOP Science, 2016-02-27)In this work, the mass attenuation coefficients, molecular, atomic and electronic cross sections, effective atomic numbers and electron densities of some selected indium complexes such as C5H10InNO9, C3H6InNO9 and C9H10InNO9, ... -
Kinematic coefficient ratios, anisotropy parameters, and polarization degrees of L3 X-ray transitions of Bi, Pb, Ta, Lu, and Yb
Kaçal, Mustafa Recep; Durak, Rıdvan; Akman, Ferdi (NRC Research Press, 2015-03-11)The anisotropy parameter values β of the L shell fluorescent X-rays (Lι (L3-M1), Lβ6 (L3-N1), Lα1,2 (L3-M5,4) and Lβ2,15 (L3-N5,4) of Bi, Pb, Ta, Lu, and Yb excited by 22.6 keV photons were measured. These values were used ... -
Measurement of L subshell fluorescence cross sections and intensity ratios of heavy elements at 22.6keV
Kaçal, Mustafa Recep; Durak, Rıdvan; Akman, Ferdi; Turhan, Mehmet Fatih; Han, İbrahim (Elsevier Ltd., 2011-06-01)The L X-ray fluorescence cross sections (σL1, σLα, σσLη, σLΒ, σLΒ6, σLΒ2,4,15, σLΒ1,3, σLγ, σLγ1, σLγ2,3,6,8, σLγ4,4' and σLγ5) and ILα/ILi (i=l, η, Β6, Β2,4,1,5, Β1,3, γ, γ1, γ2,3,6,8, γ4,4' and γ5 intensity ratios for ... -
Measurement of L subshell fluorescence yields for high-Z elements excited by 22.6keV photons
Kaçal, Mustafa Recep; Han, İbrahim; Akman, Ferdi; Durak, Rıdvan (Elsevier Ltd., 2012-03-01)The σ L1, σ L2 and σ L3 subshell X-ray production cross sections for U, Th, Bi, Pb, Tl, Hg, Au, Pt, Os, W, Ta, Lu, Yb and Er have been measured at 22.6keV incident photon energy. The measurements were performed using a ... -
Measurement of L3 Sub-Shell to M, N, O Shell Radiative Vacancy Transfer Probabilities for Ho, Lu and Hg Elements
Turhan, Mehmet Fatih; Akman, Ferdi; Kaçal, Mustafa Recep; Durak, Rıdvan (IPCAP 2016, 2016-02-27)The radiative vacancy transfer probabilities from L3 sub-shell to M, N, O sub-shells were measured for the elements Ho, Lu and Hg. To obtain related parameters, we used 59.54 keV gamma photons of 241Am radioactive source. ... -
Measurement of Li X-ray fluorescence production cross sections and intensity ratios of some elements at 59.54 keV
Turhan, Mehmet Fatih; Kaçal, Mustafa Recep; Durak, Rıdvan; Akman, Ferdi (NRC Research Press, 2015-02-13)The Li (i = l, α, β, γ) X-ray production cross section and Lα/Ll, Lα/Lβ, Lα/Lγ, Ll/Lβ, Ll/Lγ, and Lβ/Lγ intensity ratio values for Yb, Ta, W, Hg, Tl, Pb, Bi, Th, and U have been determined using an excitation geometry at ... -
Measurement of magnetic quadrupole-electric dipole mixing ratios and angular distribution parameters in atomic inner-shell transitions
Durak, Rıdvan; Kaçal, Mustafa Recep; Akman, Ferdi; Akdemir, Fatma; Aksakal, Oğuz; Turhan, Mehmet Fatih (Materials Science and Technology Conference and Exhibition 2013, MS and T 2013, 2013-10-27)In studies of the angular distribution of the magnetic L 3-subshell X-ray transitions it has been generally assumed that observed radiations consist of pure electric dipole transitions and contributions from higher-order ... -
MEASUREMENT OF MASS ATTENUATION COEFFICIENTS AND COMPARISON OF DETECTORS EFFICIENCIES AT SOME ENERGIES
Akman, Ferdi; Kaçal, Mustafa Recep; Turhan, Mehmet Fatih; Han, İbrahim; Durak, Rıdvan (2009-09-27) -
Measurements of K shell absorption jump factors and jump ratios using EDXRF technique
Kaçal, Mustafa Recep; Han, İbrahim; Akman, Ferdi (2015-04-10)In the present work, the K-shell absorption jump factors and jump ratios for 30 elements between Ti (Z = 22) and Er (Z = 68) were measured by energy dispersive X-ray fluorescence (EDXRF) technique. The jump factors and ... -
Studies on effective atomic numbers, electron densities from mass attenuation coefficients near the K edge in some samarium compounds
Akman, Ferdi; Durak, Rıdvan; Turhan, Mehmet Fatih; Kaçal, Mustafa Recep (Elsevier Ltd., 2015-07)The effective atomic numbers and electron densities of some samarium compounds were determined using the experimental total mass attenuation coefficient values near the K edge in the X-ray energy range from 36.847 up to ... -
Study of absorption parameters around the K edge for selected compounds of Gd
Akman, Ferdi; Durak, Rıdvan; Kaçal, Mustafa Recep; Bezgin, Feride (Wiley, 2016-02-11)The K shell absorption jump ratios, jump factors, effective atomic numbers, and electron densities were derived from the measured total mass attenuation coefficient using an energy dispersive X-ray fluorescence spectrometer ... -
The Chemical Effect on the Fluorescence Yield Parameters of Ligands of Malonic Acid[(Ch2(Cooh)2)] and Phenylmalonic Acid [C6h5nch(Cooh)2]
Kaçal, Mustafa Recep; Özdemir, Evren Görkem; Akman, Ferdi; Baydere, Cemile (IPCAP 2016, 2016-02-27)In the present work, the ligands of Ligands of Malonic Acid[(CH2(COOH)2)] and Phenylmalonic Acid [C6H5NCH(COOH)2] derivatives were obtained by the slow evaporation and neutralization method. The ligands were coordinated ... -
The excitation probabilities of Kα,β and Lα1,2 for some elements in 56≤Z≤68 at 59.54 keV
Akman, Ferdi; Kaçal, Mustafa Recep; Durak, Rıdvan (Elsevier, 2016-02-01)The Kα,β and Lα1,2 excitation probabilities for some elements in 56≤Z≤68 at 59.54 keV were obtained using a Si(Li) detector with a multichannel analyzer. It is the first time that the Kα,β and Lα1,2 excitation probabilities ...
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