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Experimental study of $^{100}$Tc $\beta$ decay with total absorption $\gamma$-ray spectroscopy

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.
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https://hal.archives-ouvertes.fr/hal-01645535
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Submitted on : Thursday, November 23, 2017 - 10:05:47 AM
Last modification on : Wednesday, August 5, 2020 - 3:45:53 AM

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V. Guadilla, A. Algora, J.L. Tain, J. Agramunt, D. Jordan, et al.. Experimental study of $^{100}$Tc $\beta$ decay with total absorption $\gamma$-ray spectroscopy. Phys.Rev.C, 2017, 96 (1), pp.014319. ⟨10.1103/PhysRevC.96.014319⟩. ⟨hal-01645535⟩

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