Browsing by Author "Şahin, Y"

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Analysis of Binary-Systems With Rayleigh and Compton Scattered Photons
(Marcel dekker inc, 1995) DURAK, R; Ertuğrul, M; Erzeneoğlu, S; Kurucu, Y; Şahin, Y
Chemical Effects on K-beta/K-beta X-Ray Ratios in Coordination-Compounds of Some 3d Elements
(Iop Publishing Ltd, 1993) KUCUKONDER, A; Şahin, Y; Büyükkasap, E; Kopya, A
The effects of changes in coordination number on Kbeta/Kalpha x-ray intensity ratio have been studied experimentally. The Kbeta/Kalpha x-ray intensity ratios for both pure Cr, Mn and Cu and their various chemical compounds with tetrahedral and octahedral symmetry are investigated using a Ge(Li) detector. The measured results indicate that the Kbeta/Kalpha ratios for compounds with tetrahedral symmetry are in general larger than those with octahedral symmetry. The obtained Kbeta/Kalpha x-ray intensity ratios are comparable with both previous published experimental and theoretical results.
The Effect of The Chemical Environment on The K-beta/K-alpha X-Ray Ratio
(Editrice Compositori Bologna, 1993) KUCUKONDER, A; Şahin, Y; Büyükkasap, E
Chemical effects on the Kbeta/Kalpha X-ray intensity ratios were investigated for different constitutions of Ti, V, Fe, Se, Br, Zr and Ce by a Ge(Li) X-ray detector. The vacancies were produced by heavily filtered Am-241 gamma-rays. It is found that the Kbeta/Kalpha X-ray intensity ratios measured with compounds deviated up to 12% from the corresponding values of the pure elements (Ti, V, Fe) are larger than for the others (Se, Br, Zr and Ce).
Incoherent-Scattering of 59.5-Kev Gamma-Rays by Light-Elements, Medium-Elements and Heavy-Elements
(Editrice Compositori Bologna, 1994) KURUCU, Y; Erzeneoğlu, S; Şahin, Y; Durak, R
Total atomic incoherent-scattering differential cross-sections were determined experimentally for 59.5 keV gamma-rays in Ti, Ni, Zn, Se, Mo, Ru, Cd, Sn, Te, Yt, W and Pb at 120 degrees scattering angle using Ge(Li) detector. The background correction and detection efficiency are also included in the study. The experimental values have been compared with those estimated on the basis of the non-relativistic Hartree-Fock wave functions. Good agreement is observed between theory and experiment.