The influence of the unknown de-excitation pattern in the analysis of β-decay total absorption spectra

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2007 English Publisher:Elsevier BVJournal:Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, volume 571, pages 719-727 (issn: 0168-9002,

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Authors: Taín, José Luis; Cano Ott, Daniel;

doi: 10.1016/j.nima.2006.09.084

handle: 10261/9083

The influence of the unknown de-excitation pattern in the analysis of β-decay total absorption spectra

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Abstract

The method of analysis of β-decay total absorption spectra in order to obtain β-strength distributions is studied. The influence on the final result of unknown branching ratios in the electromagnetic de-excitation of levels in the daughter nucleus is investigated with the help of the statistical model of the population and decay of the nucleus. The total decay strength appears to be rather insensitive to assumptions on the branching ratios and the systematic uncertainty on the shape of the strength distribution is quantified.

Research supported by the Spanish Ministry of Science and Technology (FPA2001-0144-C05-02 and FPA2002-04181-C04-03).

9 pages, 6 figures.-- PACS nrs.: 23.40.Hc; 29.30.Kv; 29.85.+c; 02.70.Uu.-- ISI Article Identifier: 000244576000021

Printed version published on Feb 11, 2007.

Peer reviewed

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Keywords

Data analysis, Monte Carlo methods, Total absorption γ-ray spectroscopy, β-Decay strength distribution

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