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Updated: May 24, 2026

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh
Published on: May 3, 2019
Measurements of relative photon emission intensities and nuclear decay data evaluation of 113Sn
Aurelian Luca1, Marie-Christine Lépy
1Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), P.O.B. MG-6, 077125 Magurele, Romania. aluca@ifin.nipne.ro
Abstract:
In the frame of a co-operation between CEA-LIST/LNE-LNHB (France) and IFIN-HH (Romania), the relative intensities of the photon emissions following the (113)Sn decay were accurately determined at the LNHB using high resolution X- and γ-ray spectrometers, characterized by excellent quality efficiency calibrations. Two series of measurements were carried out. The intensity of the 255 keV γ-ray relative to that of the 392 keV γ-ray was determined with an uncertainty lower than 1%. A new (113)Sn nuclear decay data evaluation was accomplished. The main results obtained are presented.
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