Toplam kayıt 27, listelenen: 1-20
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Determination of K-Li Sub-Shell, Total K-L and Total K-M shell Vacancy Transfer Probabilities for Europium, Gadolinium and Terbium
(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 ... -
Why Do We Need Nuclear Energy in Turkey?
(IPCAP 2016, 2016-02-27)Nuclear energy is the energy in the nucleus, or core, of an atom. This energy can be released as heat from a chain reaction in a radioactive element such as uranium. Although Turkey has rich uranium reserves, Turkey has ... -
Experimental values of K to Li sub-shell, K to L, and K to M shell vacancy transfer probabilities for some rare earth elements
(Elsevier, 2016-09-01)The K to Li (i=2,3), K to L, and K to M shell vacancy transfer probabilities for La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy and Er were determined at 59.54 keV using a reflection geometry. The measurements were performed using an ... -
Measurement of L3 Sub-Shell to M, N, O Shell Radiative Vacancy Transfer Probabilities for Ho, Lu and Hg Elements
(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. ... -
Chemical effect on the K shell absorption parameters of some selected cerium compounds
(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 ... -
The Chemical Effect on the Fluorescence Yield Parameters of Ligands of Malonic Acid[(Ch2(Cooh)2)] and Phenylmalonic Acid [C6h5nch(Cooh)2]
(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 ... -
Determination of K Shell Fluorescence Parameters for Some Elements in the Atomic Number Range 50≤Z≤60
(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 ... -
Chemical Effect on the Atomic and Molecular Cross Sections of Some Ce Compounds Near the K Edge
(1. International Turkic World Conference on Chemical Sciences and Technologies, 2015-11-01) -
Basic sciences agonize in Turkey!
(IOP Science, 2016-02-27)In this study, changes from past to present in the departments of physics, chemistry, biology and mathematics, which are considered as the basic sciences in Turkey, are shown. The importance of basic science for the country ... -
Investigation of chemical effect on the absorption parameters for some selected indium complex at 59.54 keV photon energy
(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, ... -
Determination of K shell absorption parameters for some lanthanides using the X-ray attenuation method
(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 Kα,β excitation factors in thin target for selected elements from Y to Te at 59.54 keV excitation energy
(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 ... -
K to L shell vacancy transfer probabilities and Auger electron emission ratios for elements in the atomic range 30 ≤ Z ≤ 58
(nrc research press, 2016-05-04)The K to L shell vacancy transfer probabilities for some elements in the atomic range 30 ≤ Z ≤ 58 were determined using the semi-empirical values of K shell fluorescence yield and the experimental values of Kβ/Kα X-ray ... -
Study of absorption parameters around the K edge for selected compounds of Gd
(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 excitation probabilities of Kα,β and Lα1,2 for some elements in 56≤Z≤68 at 59.54 keV
(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 ... -
Kinematic coefficient ratios, anisotropy parameters, and polarization degrees of L3 X-ray transitions of Bi, Pb, Ta, Lu, and Yb
(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 Li X-ray fluorescence production cross sections and intensity ratios of some elements at 59.54 keV
(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 ... -
Measurements of K shell absorption jump factors and jump ratios using EDXRF technique
(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
(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 ...
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