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Beta-decay total absorption measurements for nuclear technology and astrophysics

AuthorsTaín, José Luis CSIC ORCID
KeywordsBeta-decay intensity distribution
Gamma-ray spectroscopy
Scintillation detectors
Systematic uncertainty
Issue Date21-May-2008
PublisherCommissariat à l'Énergie Atomique
EDP Sciences
CitationInternational Conference on Nuclear Data for Science and Technology 2007
AbstractAn accurate determination of the beta-decay intensity distribution is of importance for basic nuclear physics but also in the fields of reactor technology, astrophysics and fundamental interactions. Most of present information comes from experiments performed with high resolution low efficiency Ge γ-ray spectroscopy, which fails to locate the beta intensity at high excitation energies in complex decays. The total absorption spectroscopy technique with large 4π scintillation detectors can give the correct answer but requires an involved procedure in order to extract the information. Recent work on the systematization of the analysis methods and on the evaluation of the associated systematic uncertainties shows that reliable beta strength distributions can indeed be obtained.
Description4 pages.-- Communication presented at the 2007 International Conference on Nuclear Data for Science and Technology (ND-2007), Nice, France, Apr 22-27, 2007.
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Appears in Collections:(IFIC) Comunicaciones congresos

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