Evaluation of positron annihilation angular correlation curves and line profiles of compton scattering in noble metals |
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Authors: | R Samek I Vagera |
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Institution: | (1) Pedagogical Faculty, Department of Physics, Hradec Králové, Leninovo nám. 301, Hradec Králové, Czechoslovakia;(2) Institute of Physical Metallurgy, Czechosl. Acad. Sci., i kova 22, 616 62 Brno, Czechoslovakia;(3) Present address: Computer Department, Jihlavan n. p., Tovární 6, Jihlava, Czechoslovakia |
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Abstract: | Angular correlation curveN ( ) as well as the Compton line profile I(![delta](/content/j31r471778j51637/xxlarge948.gif) ) of Cu, Ag, Au and Pt have been calculated by the assumption, that the coincidence counting rate and Compton line shift intensity are proportional to the area of cuts through the body defined by the Fermi surface. Parametrical expression of the Fermi surface were employed and the results were used to fit some measured curves on Cu, Ag and Au.The authors are indebted to Prof. P.Ry and Dr. I.Volf for enabling the work, Dr. A. í ek for supplying the experimental data for Au, Ag and Cu and J. Sedlá ek for assistance by programming of numerical evaluations. |
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