Thermal neutron capture cross-section of 76Ge

The thermal neutron capture cross-sections of the 76 Ge(n, ) 77 Ge and the 76 Ge(n, ) 77 m Ge reactions have been measured by activating targets of isotopically enriched GeO 2 through cold neutrons. The -decay spectra after the -decay of 77 Ge and 77 m Ge were measured with HPGe detectors. From thes...

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Published inThe European physical journal. A, Hadrons and nuclei Vol. 40; no. 1; pp. 61 - 64
Main Authors Meierhofer, G., Kudejova, P., Canella, L., Grabmayr, P., Jochum, J., Jolie, J.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer-Verlag 01.04.2009
Springer
Subjects
Exact sciences and technology
Hadrons
Heavy Ions
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Regular Article - Experimental Physics
28.20.Ka Thermal neutron cross-sections
89
27.50.+e 59
Uncertainty
Thermal neutrons
Cold neutrons
Beta decay
Probability
Neutron capture
Cross sections
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Summary:The thermal neutron capture cross-sections of the 76 Ge(n, ) 77 Ge and the 76 Ge(n, ) 77 m Ge reactions have been measured by activating targets of isotopically enriched GeO 2 through cold neutrons. The -decay spectra after the -decay of 77 Ge and 77 m Ge were measured with HPGe detectors. From these spectra the cross-sections for the 76 Ge(n, ) reactions were derived relative to the cross-section of 197 Au using the absolute emission probabilities of the observed -ray energies. The methods used in this work result in smaller systematic uncertainties than those obtained in previous experiments.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2008-10741-0