The Experts below are selected from a list of 309 Experts worldwide ranked by ideXlab platform
Mehmet Ertugrul - One of the best experts on this subject based on the ideXlab platform.
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A study on anisotropy of L2 to L3 Coster–Kronig transition (F23) for Th and U elements
Journal of Quantitative Spectroscopy & Radiative Transfer, 2004Co-Authors: Umit Turgut, Mehmet ErtugrulAbstract:Abstract The Coster–Kronig transition, F23, was determined using differential fluorescence cross sections of Ll X-ray for Th and U. The targets were irradiated an Am-241 radioisotope at the different incident angle. The Ll X-rays were counted with a Si (Li) detector at the different scattering angle varying from 60° to 90° at 10° intervals. For each angle, the Coster–Kronig transition probability, F23, was found. An obtained Coster–Kronig transition probability value was fitted versus emission angle. According to present results we can say that the Coster–Kronig transition probability, F23, shows isotropic distribution.
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a study on anisotropy of l2 to l3 coster kronig transition F23 for th and u elements
Journal of Quantitative Spectroscopy & Radiative Transfer, 2004Co-Authors: Umit Turgut, Mehmet ErtugrulAbstract:Abstract The Coster–Kronig transition, F23, was determined using differential fluorescence cross sections of Ll X-ray for Th and U. The targets were irradiated an Am-241 radioisotope at the different incident angle. The Ll X-rays were counted with a Si (Li) detector at the different scattering angle varying from 60° to 90° at 10° intervals. For each angle, the Coster–Kronig transition probability, F23, was found. An obtained Coster–Kronig transition probability value was fitted versus emission angle. According to present results we can say that the Coster–Kronig transition probability, F23, shows isotropic distribution.
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measurement of atomic l shell coster kronig yields f12 F23 and f13 for some elements in the atomic number range 59 z 90
Journal of Physics B, 2001Co-Authors: Elif Oz, Neslihan Ekinci, Yuksel Ozdemir, Mehmet Ertugrul, Yusuf Sahin, Hasan ErdoganAbstract:Non-radiative transitions cause changes in the generation of the intensity of the L lines. In order to investigate the physical quantities relevant to the L lines affected by the non-radiative transitions, experimental measurements were carried out using a Si(Li) x-ray spectrometer. Atomic L shell Coster-Kronig yields (f12, f13 and F23) for some elements in the atomic number range 59≤Z≤90 were determined. These selected measured semi-empirical values were also fitted by least squares to polynomials in Z of the form ∑nanZn (except for f13) and compared with theoretical and with earlier fitted values.
Hasan Erdogan - One of the best experts on this subject based on the ideXlab platform.
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measurement of atomic l shell coster kronig yields f12 F23 and f13 for some elements in the atomic number range 59 z 90
Journal of Physics B, 2001Co-Authors: Elif Oz, Neslihan Ekinci, Yuksel Ozdemir, Mehmet Ertugrul, Yusuf Sahin, Hasan ErdoganAbstract:Non-radiative transitions cause changes in the generation of the intensity of the L lines. In order to investigate the physical quantities relevant to the L lines affected by the non-radiative transitions, experimental measurements were carried out using a Si(Li) x-ray spectrometer. Atomic L shell Coster-Kronig yields (f12, f13 and F23) for some elements in the atomic number range 59≤Z≤90 were determined. These selected measured semi-empirical values were also fitted by least squares to polynomials in Z of the form ∑nanZn (except for f13) and compared with theoretical and with earlier fitted values.
Ester Perez Sinusia - One of the best experts on this subject based on the ideXlab platform.
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new series expansions of the F23 function
Journal of Mathematical Analysis and Applications, 2015Co-Authors: Jose L Lopez, Pedro J Pagola, Ester Perez SinusiaAbstract:Abstract We can use the power series definition of F 2 3 ( a 1 , a 2 , a 3 ; b 1 , b 2 ; z ) to compute this function for z in the unit disk only. In this paper we obtain new expansions of this function that are convergent in larger domains. Some of these expansions involve the polynomial F 2 3 ( a 1 , − n , a 3 ; b 1 , b 2 ; z ) evaluated at certain points z. Other expansions involve the Gauss hypergeometric function F 1 2 . The domain of convergence is sometimes a disk, other times a half-plane, other times the region | z | 2 4 | 1 − z | . The accuracy of the approximation given by these expansions is illustrated with numerical experiments.
Katsunori Iwasaki - One of the best experts on this subject based on the ideXlab platform.
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three term relations for F23 1
Journal of Mathematical Analysis and Applications, 2018Co-Authors: Akihito Ebisu, Katsunori IwasakiAbstract:Abstract For the hypergeometric function of unit argument F 2 3 ( 1 ) we prove the existence and uniqueness of three-term contiguous relations with arbitrary integer shifts. We show that not only the original F 2 3 ( 1 ) function but also other five functions related to it satisfy one and the same three-term relation. This fact together with the uniqueness mentioned above provides three-term relations with a group symmetry of order 72.
Umit Turgut - One of the best experts on this subject based on the ideXlab platform.
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a study on anisotropy of l2 to l3 coster kronig transition F23 for th and u elements
Journal of Quantitative Spectroscopy & Radiative Transfer, 2004Co-Authors: Umit Turgut, Mehmet ErtugrulAbstract:Abstract The Coster–Kronig transition, F23, was determined using differential fluorescence cross sections of Ll X-ray for Th and U. The targets were irradiated an Am-241 radioisotope at the different incident angle. The Ll X-rays were counted with a Si (Li) detector at the different scattering angle varying from 60° to 90° at 10° intervals. For each angle, the Coster–Kronig transition probability, F23, was found. An obtained Coster–Kronig transition probability value was fitted versus emission angle. According to present results we can say that the Coster–Kronig transition probability, F23, shows isotropic distribution.
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A study on anisotropy of L2 to L3 Coster–Kronig transition (F23) for Th and U elements
Journal of Quantitative Spectroscopy & Radiative Transfer, 2004Co-Authors: Umit Turgut, Mehmet ErtugrulAbstract:Abstract The Coster–Kronig transition, F23, was determined using differential fluorescence cross sections of Ll X-ray for Th and U. The targets were irradiated an Am-241 radioisotope at the different incident angle. The Ll X-rays were counted with a Si (Li) detector at the different scattering angle varying from 60° to 90° at 10° intervals. For each angle, the Coster–Kronig transition probability, F23, was found. An obtained Coster–Kronig transition probability value was fitted versus emission angle. According to present results we can say that the Coster–Kronig transition probability, F23, shows isotropic distribution.
