Abstract

The α decay of the neutron-deficient nuclide Te105 was observed. The Cr50(Ni58,3n) reaction was used to produce Te105 nuclei. The Te105 residues were selected with the Argonne Fragment Mass Analyzer and implanted into a double-sided Si strip detector where their subsequent α decay was detected. An α-decay Q value of Qα=4900(50) keV and a half life of T1/2=0.70(-0.17+0.25)μs were measured for Te105 and a reduced α-decay width of Wα=3.3(-1.7+2.1) was deduced. The decay properties of Te105 are compared with those of heavier Te isotopes and theoretical predictions. © 2006 The American Physical Society.

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