Experimental study of Tc 100 β decay with total absorption γ -ray spectroscopy

Guadilla, V. and Algora, A. and Tain, J. L. and Agramunt, J. and Jordan, D. (2017) Experimental study of Tc 100 β decay with total absorption γ -ray spectroscopy. PHYSICAL REVIEW C, 96 (1). pp. 1-10. ISSN 0556-2813

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Abstract

The β decay of Tc100 has been studied by using the total absorption γ-ray spectroscopy technique at the Ion Guide Isotope Separator On-Line facility in Jyväskylä. In this work the new Decay Total Absorption γ-ray Spectrometer in coincidence with a cylindrical plastic β detector has been employed. The β intensity to the ground state obtained from the analysis is in good agreement with previous high-resolution measurements. However, differences in the feeding to the first-excited state as well as weak feeding to a new level at high excitation energy have been deduced from this experiment. Theoretical calculations performed in the quasiparticle random-phase approximation framework are also reported. Comparison of these calculations with our measurement serves as a benchmark for calculations of the double β decay of Mo100. © 2017 American Physical Society.

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