Thermal neutron capture cross-section of 76Ge

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作者
G. Meierhofer
P. Kudejova
L. Canella
P. Grabmayr
J. Jochum
J. Jolie
机构
[1] Eberhard Karls Universität Tübingen,Kepler Center for Astro and Particle Physics
[2] Technische Universität München,Institut für Radiochemie
[3] Universität zu Köln,Institut für Kernphysik
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28.20.Ka Thermal neutron cross-sections; 27.50.+e 59; 89;
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摘要
The thermal neutron capture cross-sections of the 76Ge(n,\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \gamma$\end{document})77Ge and the 76Ge(n,\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \gamma$\end{document})77mGe reactions have been measured by activating targets of isotopically enriched GeO2 through cold neutrons. The \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \gamma$\end{document} -decay spectra after the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \beta$\end{document} -decay of 77Ge and 77mGe were measured with HPGe detectors. From these spectra the cross-sections for the 76Ge(n,\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \gamma$\end{document}) reactions were derived relative to the cross-section of 197Au using the absolute emission probabilities of the observed \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \gamma$\end{document} -ray energies. The methods used in this work result in smaller systematic uncertainties than those obtained in previous experiments.
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页码:61 / 64
页数:3
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